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Finding the Fourth Proportional to 79,574.28, 119,339.52 and 29,674.20

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Solution

The fourth proportional to 79,574.28, 119,339.52 and 29,674.20 is: 44,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,574.28 : 119,339.52 = 29,674.20 : x
  2. Step 2: Convert to fraction form
    79,574.28/119,339.52 = 29,674.20/x
  3. Step 3: Cross multiply
    79,574.28x = 119,339.52 × 29,674.20
  4. Step 4: Simplify right side
    79,574.28x = 3,541,304,784.38
  5. Step 5: Solve for x
    x = 3,541,304,784.38/79,574.28
  6. Step 6: Final answer
    x = 44,503.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.