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Finding the Fourth Proportional to 7,581.97, 10,463.01 and 4,224.92

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Solution

The fourth proportional to 7,581.97, 10,463.01 and 4,224.92 is: 5,830.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.97 : 10,463.01 = 4,224.92 : x
  2. Step 2: Convert to fraction form
    7,581.97/10,463.01 = 4,224.92/x
  3. Step 3: Cross multiply
    7,581.97x = 10,463.01 × 4,224.92
  4. Step 4: Simplify right side
    7,581.97x = 44,205,433.91
  5. Step 5: Solve for x
    x = 44,205,433.91/7,581.97
  6. Step 6: Final answer
    x = 5,830.34

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Half scale
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Double scale
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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.