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Finding the Fourth Proportional to 25,752.60, 35,539.08 and 14,574.60

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Solution

The fourth proportional to 25,752.60, 35,539.08 and 14,574.60 is: 20,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,752.60 : 35,539.08 = 14,574.60 : x
  2. Step 2: Convert to fraction form
    25,752.60/35,539.08 = 14,574.60/x
  3. Step 3: Cross multiply
    25,752.60x = 35,539.08 × 14,574.60
  4. Step 4: Simplify right side
    25,752.60x = 517,967,875.37
  5. Step 5: Solve for x
    x = 517,967,875.37/25,752.60
  6. Step 6: Final answer
    x = 20,113.23

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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.