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Finding the Fourth Proportional to 64,048.20, 88,386.42 and 35,753.88

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Solution

The fourth proportional to 64,048.20, 88,386.42 and 35,753.88 is: 49,340.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,048.20 : 88,386.42 = 35,753.88 : x
  2. Step 2: Convert to fraction form
    64,048.20/88,386.42 = 35,753.88/x
  3. Step 3: Cross multiply
    64,048.20x = 88,386.42 × 35,753.88
  4. Step 4: Simplify right side
    64,048.20x = 3,160,157,454.31
  5. Step 5: Solve for x
    x = 3,160,157,454.31/64,048.20
  6. Step 6: Final answer
    x = 49,340.30

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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.