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Finding the Fourth Proportional to 63,545.72, 87,678.96 and 36,682.37

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Solution

The fourth proportional to 63,545.72, 87,678.96 and 36,682.37 is: 50,613.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,545.72 : 87,678.96 = 36,682.37 : x
  2. Step 2: Convert to fraction form
    63,545.72/87,678.96 = 36,682.37/x
  3. Step 3: Cross multiply
    63,545.72x = 87,678.96 × 36,682.37
  4. Step 4: Simplify right side
    63,545.72x = 3,216,271,804.78
  5. Step 5: Solve for x
    x = 3,216,271,804.78/63,545.72
  6. Step 6: Final answer
    x = 50,613.51

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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.