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Finding the Fourth Proportional to 38,882.62, 53,665.59 and 22,966.30

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Solution

The fourth proportional to 38,882.62, 53,665.59 and 22,966.30 is: 31,697.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,882.62 : 53,665.59 = 22,966.30 : x
  2. Step 2: Convert to fraction form
    38,882.62/53,665.59 = 22,966.30/x
  3. Step 3: Cross multiply
    38,882.62x = 53,665.59 × 22,966.30
  4. Step 4: Simplify right side
    38,882.62x = 1,232,500,039.62
  5. Step 5: Solve for x
    x = 1,232,500,039.62/38,882.62
  6. Step 6: Final answer
    x = 31,697.97

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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.