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Finding the Fourth Proportional to 25,409, 35,065.50 and 14,796.92

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Solution

The fourth proportional to 25,409, 35,065.50 and 14,796.92 is: 20,420.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409 : 35,065.50 = 14,796.92 : x
  2. Step 2: Convert to fraction form
    25,409/35,065.50 = 14,796.92/x
  3. Step 3: Cross multiply
    25,409x = 35,065.50 × 14,796.92
  4. Step 4: Simplify right side
    25,409x = 518,861,398.26
  5. Step 5: Solve for x
    x = 518,861,398.26/25,409
  6. Step 6: Final answer
    x = 20,420.38

Related Problems

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Half scale
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Double scale
Find fourth proportional to 25,410, 35,066.88 and 14,797.92
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.