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Finding the Fourth Proportional to 63,574.62, 87,736.95 and 36,722.04

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Solution

The fourth proportional to 63,574.62, 87,736.95 and 36,722.04 is: 50,678.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,574.62 : 87,736.95 = 36,722.04 : x
  2. Step 2: Convert to fraction form
    63,574.62/87,736.95 = 36,722.04/x
  3. Step 3: Cross multiply
    63,574.62x = 87,736.95 × 36,722.04
  4. Step 4: Simplify right side
    63,574.62x = 3,221,879,787.38
  5. Step 5: Solve for x
    x = 3,221,879,787.38/63,574.62
  6. Step 6: Final answer
    x = 50,678.71

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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.