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Finding the Fourth Proportional to 60,379.83, 83,273.85 and 45,305.91

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Solution

The fourth proportional to 60,379.83, 83,273.85 and 45,305.91 is: 62,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,379.83 : 83,273.85 = 45,305.91 : x
  2. Step 2: Convert to fraction form
    60,379.83/83,273.85 = 45,305.91/x
  3. Step 3: Cross multiply
    60,379.83x = 83,273.85 × 45,305.91
  4. Step 4: Simplify right side
    60,379.83x = 3,772,797,553.45
  5. Step 5: Solve for x
    x = 3,772,797,553.45/60,379.83
  6. Step 6: Final answer
    x = 62,484.40

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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.