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Finding the Fourth Proportional to 62,712.76, 94,019.73 and 31,101.70

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Solution

The fourth proportional to 62,712.76, 94,019.73 and 31,101.70 is: 46,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,712.76 : 94,019.73 = 31,101.70 : x
  2. Step 2: Convert to fraction form
    62,712.76/94,019.73 = 31,101.70/x
  3. Step 3: Cross multiply
    62,712.76x = 94,019.73 × 31,101.70
  4. Step 4: Simplify right side
    62,712.76x = 2,924,173,084.86
  5. Step 5: Solve for x
    x = 2,924,173,084.86/62,712.76
  6. Step 6: Final answer
    x = 46,628.04

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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.