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Finding the Fourth Proportional to 60,497.28, 90,629.28 and 29,354.40

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Solution

The fourth proportional to 60,497.28, 90,629.28 and 29,354.40 is: 43,975.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,497.28 : 90,629.28 = 29,354.40 : x
  2. Step 2: Convert to fraction form
    60,497.28/90,629.28 = 29,354.40/x
  3. Step 3: Cross multiply
    60,497.28x = 90,629.28 × 29,354.40
  4. Step 4: Simplify right side
    60,497.28x = 2,660,368,136.83
  5. Step 5: Solve for x
    x = 2,660,368,136.83/60,497.28
  6. Step 6: Final answer
    x = 43,975.00

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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.