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Finding the Fourth Proportional to 57,776.88, 86,607 and 22,702.80

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Solution

The fourth proportional to 57,776.88, 86,607 and 22,702.80 is: 34,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,776.88 : 86,607 = 22,702.80 : x
  2. Step 2: Convert to fraction form
    57,776.88/86,607 = 22,702.80/x
  3. Step 3: Cross multiply
    57,776.88x = 86,607 × 22,702.80
  4. Step 4: Simplify right side
    57,776.88x = 1,966,221,399.60
  5. Step 5: Solve for x
    x = 1,966,221,399.60/57,776.88
  6. Step 6: Final answer
    x = 34,031.28

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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.