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Finding the Fourth Proportional to 25,409.93, 35,064.76 and 14,655.25

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Solution

The fourth proportional to 25,409.93, 35,064.76 and 14,655.25 is: 20,223.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.93 : 35,064.76 = 14,655.25 : x
  2. Step 2: Convert to fraction form
    25,409.93/35,064.76 = 14,655.25/x
  3. Step 3: Cross multiply
    25,409.93x = 35,064.76 × 14,655.25
  4. Step 4: Simplify right side
    25,409.93x = 513,882,750.71
  5. Step 5: Solve for x
    x = 513,882,750.71/25,409.93
  6. Step 6: Final answer
    x = 20,223.70

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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.