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Finding the Fourth Proportional to 60,643.08, 91,022.40 and 43,792.92

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Solution

The fourth proportional to 60,643.08, 91,022.40 and 43,792.92 is: 65,731.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,643.08 : 91,022.40 = 43,792.92 : x
  2. Step 2: Convert to fraction form
    60,643.08/91,022.40 = 43,792.92/x
  3. Step 3: Cross multiply
    60,643.08x = 91,022.40 × 43,792.92
  4. Step 4: Simplify right side
    60,643.08x = 3,986,136,681.41
  5. Step 5: Solve for x
    x = 3,986,136,681.41/60,643.08
  6. Step 6: Final answer
    x = 65,731.11

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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.