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Finding the Fourth Proportional to 52,702.67, 72,721.19 and 30,041.71

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Solution

The fourth proportional to 52,702.67, 72,721.19 and 30,041.71 is: 41,452.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,702.67 : 72,721.19 = 30,041.71 : x
  2. Step 2: Convert to fraction form
    52,702.67/72,721.19 = 30,041.71/x
  3. Step 3: Cross multiply
    52,702.67x = 72,721.19 × 30,041.71
  4. Step 4: Simplify right side
    52,702.67x = 2,184,668,900.83
  5. Step 5: Solve for x
    x = 2,184,668,900.83/52,702.67
  6. Step 6: Final answer
    x = 41,452.72

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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.