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Finding the Fourth Proportional to 25,366.60, 35,008.10 and 14,755.50

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Solution

The fourth proportional to 25,366.60, 35,008.10 and 14,755.50 is: 20,363.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,366.60 : 35,008.10 = 14,755.50 : x
  2. Step 2: Convert to fraction form
    25,366.60/35,008.10 = 14,755.50/x
  3. Step 3: Cross multiply
    25,366.60x = 35,008.10 × 14,755.50
  4. Step 4: Simplify right side
    25,366.60x = 516,562,001.11
  5. Step 5: Solve for x
    x = 516,562,001.11/25,366.60
  6. Step 6: Final answer
    x = 20,363.86

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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.