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Finding the Fourth Proportional to 55,645.40, 83,468.01 and 36,961.88

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Solution

The fourth proportional to 55,645.40, 83,468.01 and 36,961.88 is: 55,442.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.40 : 83,468.01 = 36,961.88 : x
  2. Step 2: Convert to fraction form
    55,645.40/83,468.01 = 36,961.88/x
  3. Step 3: Cross multiply
    55,645.40x = 83,468.01 × 36,961.88
  4. Step 4: Simplify right side
    55,645.40x = 3,085,134,569.46
  5. Step 5: Solve for x
    x = 3,085,134,569.46/55,645.40
  6. Step 6: Final answer
    x = 55,442.76

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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.