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Finding the Fourth Proportional to 55,614.88, 76,750.50 and 30,464.38

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Solution

The fourth proportional to 55,614.88, 76,750.50 and 30,464.38 is: 42,041.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,614.88 : 76,750.50 = 30,464.38 : x
  2. Step 2: Convert to fraction form
    55,614.88/76,750.50 = 30,464.38/x
  3. Step 3: Cross multiply
    55,614.88x = 76,750.50 × 30,464.38
  4. Step 4: Simplify right side
    55,614.88x = 2,338,156,397.19
  5. Step 5: Solve for x
    x = 2,338,156,397.19/55,614.88
  6. Step 6: Final answer
    x = 42,041.92

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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.