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Finding the Fourth Proportional to 65,564.98, 90,478.74 and 36,882.46

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Solution

The fourth proportional to 65,564.98, 90,478.74 and 36,882.46 is: 50,897.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,564.98 : 90,478.74 = 36,882.46 : x
  2. Step 2: Convert to fraction form
    65,564.98/90,478.74 = 36,882.46/x
  3. Step 3: Cross multiply
    65,564.98x = 90,478.74 × 36,882.46
  4. Step 4: Simplify right side
    65,564.98x = 3,337,078,508.90
  5. Step 5: Solve for x
    x = 3,337,078,508.90/65,564.98
  6. Step 6: Final answer
    x = 50,897.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.