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Finding the Fourth Proportional to 64,882.58, 89,535.22 and 36,590.90

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Solution

The fourth proportional to 64,882.58, 89,535.22 and 36,590.90 is: 50,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,882.58 : 89,535.22 = 36,590.90 : x
  2. Step 2: Convert to fraction form
    64,882.58/89,535.22 = 36,590.90/x
  3. Step 3: Cross multiply
    64,882.58x = 89,535.22 × 36,590.90
  4. Step 4: Simplify right side
    64,882.58x = 3,276,174,281.50
  5. Step 5: Solve for x
    x = 3,276,174,281.50/64,882.58
  6. Step 6: Final answer
    x = 50,493.90

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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.