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Finding the Fourth Proportional to 52,040.86, 78,061.72 and 44,495.54

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Solution

The fourth proportional to 52,040.86, 78,061.72 and 44,495.54 is: 66,743.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,040.86 : 78,061.72 = 44,495.54 : x
  2. Step 2: Convert to fraction form
    52,040.86/78,061.72 = 44,495.54/x
  3. Step 3: Cross multiply
    52,040.86x = 78,061.72 × 44,495.54
  4. Step 4: Simplify right side
    52,040.86x = 3,473,398,337.83
  5. Step 5: Solve for x
    x = 3,473,398,337.83/52,040.86
  6. Step 6: Final answer
    x = 66,743.68

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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.