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Finding the Fourth Proportional to 1,593.38, 2,199.12 and 930.62

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Solution

The fourth proportional to 1,593.38, 2,199.12 and 930.62 is: 1,284.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,593.38 : 2,199.12 = 930.62 : x
  2. Step 2: Convert to fraction form
    1,593.38/2,199.12 = 930.62/x
  3. Step 3: Cross multiply
    1,593.38x = 2,199.12 × 930.62
  4. Step 4: Simplify right side
    1,593.38x = 2,046,545.05
  5. Step 5: Solve for x
    x = 2,046,545.05/1,593.38
  6. Step 6: Final answer
    x = 1,284.40

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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.