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Finding the Fourth Proportional to 62,340, 86,017.80 and 35,480.92

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Solution

The fourth proportional to 62,340, 86,017.80 and 35,480.92 is: 48,957.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,340 : 86,017.80 = 35,480.92 : x
  2. Step 2: Convert to fraction form
    62,340/86,017.80 = 35,480.92/x
  3. Step 3: Cross multiply
    62,340x = 86,017.80 × 35,480.92
  4. Step 4: Simplify right side
    62,340x = 3,051,990,680.38
  5. Step 5: Solve for x
    x = 3,051,990,680.38/62,340
  6. Step 6: Final answer
    x = 48,957.18

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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.