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Finding the Fourth Proportional to 63,545.86, 87,696.16 and 35,251.58

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Solution

The fourth proportional to 63,545.86, 87,696.16 and 35,251.58 is: 48,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,545.86 : 87,696.16 = 35,251.58 : x
  2. Step 2: Convert to fraction form
    63,545.86/87,696.16 = 35,251.58/x
  3. Step 3: Cross multiply
    63,545.86x = 87,696.16 × 35,251.58
  4. Step 4: Simplify right side
    63,545.86x = 3,091,428,199.93
  5. Step 5: Solve for x
    x = 3,091,428,199.93/63,545.86
  6. Step 6: Final answer
    x = 48,648.77

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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.