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Finding the Fourth Proportional to 60,646.65, 90,987.52 and 25,101.40

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Solution

The fourth proportional to 60,646.65, 90,987.52 and 25,101.40 is: 37,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,646.65 : 90,987.52 = 25,101.40 : x
  2. Step 2: Convert to fraction form
    60,646.65/90,987.52 = 25,101.40/x
  3. Step 3: Cross multiply
    60,646.65x = 90,987.52 × 25,101.40
  4. Step 4: Simplify right side
    60,646.65x = 2,283,914,134.53
  5. Step 5: Solve for x
    x = 2,283,914,134.53/60,646.65
  6. Step 6: Final answer
    x = 37,659.36

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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.