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Finding the Fourth Proportional to 63,992.72, 88,312.38 and 35,703.92

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Solution

The fourth proportional to 63,992.72, 88,312.38 and 35,703.92 is: 49,272.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.72 : 88,312.38 = 35,703.92 : x
  2. Step 2: Convert to fraction form
    63,992.72/88,312.38 = 35,703.92/x
  3. Step 3: Cross multiply
    63,992.72x = 88,312.38 × 35,703.92
  4. Step 4: Simplify right side
    63,992.72x = 3,153,098,150.53
  5. Step 5: Solve for x
    x = 3,153,098,150.53/63,992.72
  6. Step 6: Final answer
    x = 49,272.76

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1.5x scale

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.