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Finding the Fourth Proportional to 60,640.53, 90,970.52 and 25,585.35

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Solution

The fourth proportional to 60,640.53, 90,970.52 and 25,585.35 is: 38,382.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,640.53 : 90,970.52 = 25,585.35 : x
  2. Step 2: Convert to fraction form
    60,640.53/90,970.52 = 25,585.35/x
  3. Step 3: Cross multiply
    60,640.53x = 90,970.52 × 25,585.35
  4. Step 4: Simplify right side
    60,640.53x = 2,327,512,465.96
  5. Step 5: Solve for x
    x = 2,327,512,465.96/60,640.53
  6. Step 6: Final answer
    x = 38,382.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.