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Finding the Fourth Proportional to 18,377.22, 27,543.94 and 10,569.62

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Solution

The fourth proportional to 18,377.22, 27,543.94 and 10,569.62 is: 15,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.22 : 27,543.94 = 10,569.62 : x
  2. Step 2: Convert to fraction form
    18,377.22/27,543.94 = 10,569.62/x
  3. Step 3: Cross multiply
    18,377.22x = 27,543.94 × 10,569.62
  4. Step 4: Simplify right side
    18,377.22x = 291,128,979.10
  5. Step 5: Solve for x
    x = 291,128,979.10/18,377.22
  6. Step 6: Final answer
    x = 15,841.84

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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.