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Finding the Fourth Proportional to 60,642.53, 90,973.52 and 25,587.35

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Solution

The fourth proportional to 60,642.53, 90,973.52 and 25,587.35 is: 38,385.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,642.53 : 90,973.52 = 25,587.35 : x
  2. Step 2: Convert to fraction form
    60,642.53/90,973.52 = 25,587.35/x
  3. Step 3: Cross multiply
    60,642.53x = 90,973.52 × 25,587.35
  4. Step 4: Simplify right side
    60,642.53x = 2,327,771,169.04
  5. Step 5: Solve for x
    x = 2,327,771,169.04/60,642.53
  6. Step 6: Final answer
    x = 38,385.13

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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.