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Finding the Fourth Proportional to 79,029.93, 109,061.42 and 44,575.11

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Solution

The fourth proportional to 79,029.93, 109,061.42 and 44,575.11 is: 61,513.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,029.93 : 109,061.42 = 44,575.11 : x
  2. Step 2: Convert to fraction form
    79,029.93/109,061.42 = 44,575.11/x
  3. Step 3: Cross multiply
    79,029.93x = 109,061.42 × 44,575.11
  4. Step 4: Simplify right side
    79,029.93x = 4,861,424,570.38
  5. Step 5: Solve for x
    x = 4,861,424,570.38/79,029.93
  6. Step 6: Final answer
    x = 61,513.71

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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.