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Finding the Fourth Proportional to 68,590.02, 94,657.90 and 38,373.54

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Solution

The fourth proportional to 68,590.02, 94,657.90 and 38,373.54 is: 52,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,590.02 : 94,657.90 = 38,373.54 : x
  2. Step 2: Convert to fraction form
    68,590.02/94,657.90 = 38,373.54/x
  3. Step 3: Cross multiply
    68,590.02x = 94,657.90 × 38,373.54
  4. Step 4: Simplify right side
    68,590.02x = 3,632,358,711.97
  5. Step 5: Solve for x
    x = 3,632,358,711.97/68,590.02
  6. Step 6: Final answer
    x = 52,957.54

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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.