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Finding the Fourth Proportional to 79,329.50, 109,476.76 and 44,871.42

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Solution

The fourth proportional to 79,329.50, 109,476.76 and 44,871.42 is: 61,923.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,329.50 : 109,476.76 = 44,871.42 : x
  2. Step 2: Convert to fraction form
    79,329.50/109,476.76 = 44,871.42/x
  3. Step 3: Cross multiply
    79,329.50x = 109,476.76 × 44,871.42
  4. Step 4: Simplify right side
    79,329.50x = 4,912,377,678.20
  5. Step 5: Solve for x
    x = 4,912,377,678.20/79,329.50
  6. Step 6: Final answer
    x = 61,923.72

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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.