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Finding the Fourth Proportional to 45,590.86, 62,775.03 and 38,861.38

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Solution

The fourth proportional to 45,590.86, 62,775.03 and 38,861.38 is: 53,509.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,590.86 : 62,775.03 = 38,861.38 : x
  2. Step 2: Convert to fraction form
    45,590.86/62,775.03 = 38,861.38/x
  3. Step 3: Cross multiply
    45,590.86x = 62,775.03 × 38,861.38
  4. Step 4: Simplify right side
    45,590.86x = 2,439,524,295.34
  5. Step 5: Solve for x
    x = 2,439,524,295.34/45,590.86
  6. Step 6: Final answer
    x = 53,509.07

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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.