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Finding the Fourth Proportional to 64,207.16, 88,610.52 and 35,921.96

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Solution

The fourth proportional to 64,207.16, 88,610.52 and 35,921.96 is: 49,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,207.16 : 88,610.52 = 35,921.96 : x
  2. Step 2: Convert to fraction form
    64,207.16/88,610.52 = 35,921.96/x
  3. Step 3: Cross multiply
    64,207.16x = 88,610.52 × 35,921.96
  4. Step 4: Simplify right side
    64,207.16x = 3,183,063,555.02
  5. Step 5: Solve for x
    x = 3,183,063,555.02/64,207.16
  6. Step 6: Final answer
    x = 49,574.90

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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.