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Finding the Fourth Proportional to 18,045.96, 27,068.31 and 6,358.92

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Solution

The fourth proportional to 18,045.96, 27,068.31 and 6,358.92 is: 9,538.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,045.96 : 27,068.31 = 6,358.92 : x
  2. Step 2: Convert to fraction form
    18,045.96/27,068.31 = 6,358.92/x
  3. Step 3: Cross multiply
    18,045.96x = 27,068.31 × 6,358.92
  4. Step 4: Simplify right side
    18,045.96x = 172,125,217.83
  5. Step 5: Solve for x
    x = 172,125,217.83/18,045.96
  6. Step 6: Final answer
    x = 9,538.16

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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.