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Finding the Fourth Proportional to 56,966.52, 85,502.28 and 28,906.26

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Solution

The fourth proportional to 56,966.52, 85,502.28 and 28,906.26 is: 43,386.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,966.52 : 85,502.28 = 28,906.26 : x
  2. Step 2: Convert to fraction form
    56,966.52/85,502.28 = 28,906.26/x
  3. Step 3: Cross multiply
    56,966.52x = 85,502.28 × 28,906.26
  4. Step 4: Simplify right side
    56,966.52x = 2,471,551,136.27
  5. Step 5: Solve for x
    x = 2,471,551,136.27/56,966.52
  6. Step 6: Final answer
    x = 43,386.03

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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.