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Finding the Fourth Proportional to 40,565.49, 55,949.49 and 34,909.67

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Solution

The fourth proportional to 40,565.49, 55,949.49 and 34,909.67 is: 48,148.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,565.49 : 55,949.49 = 34,909.67 : x
  2. Step 2: Convert to fraction form
    40,565.49/55,949.49 = 34,909.67/x
  3. Step 3: Cross multiply
    40,565.49x = 55,949.49 × 34,909.67
  4. Step 4: Simplify right side
    40,565.49x = 1,953,177,952.82
  5. Step 5: Solve for x
    x = 1,953,177,952.82/40,565.49
  6. Step 6: Final answer
    x = 48,148.76

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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.