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Finding the Fourth Proportional to 64,017.92, 88,344.60 and 35,721.92

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Solution

The fourth proportional to 64,017.92, 88,344.60 and 35,721.92 is: 49,296.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,017.92 : 88,344.60 = 35,721.92 : x
  2. Step 2: Convert to fraction form
    64,017.92/88,344.60 = 35,721.92/x
  3. Step 3: Cross multiply
    64,017.92x = 88,344.60 × 35,721.92
  4. Step 4: Simplify right side
    64,017.92x = 3,155,838,733.63
  5. Step 5: Solve for x
    x = 3,155,838,733.63/64,017.92
  6. Step 6: Final answer
    x = 49,296.18

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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.