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Finding the Fourth Proportional to 6,257.92, 9,389.62 and 4,869.18

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Solution

The fourth proportional to 6,257.92, 9,389.62 and 4,869.18 is: 7,305.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,257.92 : 9,389.62 = 4,869.18 : x
  2. Step 2: Convert to fraction form
    6,257.92/9,389.62 = 4,869.18/x
  3. Step 3: Cross multiply
    6,257.92x = 9,389.62 × 4,869.18
  4. Step 4: Simplify right side
    6,257.92x = 45,719,749.91
  5. Step 5: Solve for x
    x = 45,719,749.91/6,257.92
  6. Step 6: Final answer
    x = 7,305.90

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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.