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Finding the Fourth Proportional to 64,060.64, 88,400.85 and 35,765.72

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Solution

The fourth proportional to 64,060.64, 88,400.85 and 35,765.72 is: 49,355.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,060.64 : 88,400.85 = 35,765.72 : x
  2. Step 2: Convert to fraction form
    64,060.64/88,400.85 = 35,765.72/x
  3. Step 3: Cross multiply
    64,060.64x = 88,400.85 × 35,765.72
  4. Step 4: Simplify right side
    64,060.64x = 3,161,719,606.86
  5. Step 5: Solve for x
    x = 3,161,719,606.86/64,060.64
  6. Step 6: Final answer
    x = 49,355.11

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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.