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Finding the Fourth Proportional to 5,718.16, 8,562.15 and 4,601.62

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Solution

The fourth proportional to 5,718.16, 8,562.15 and 4,601.62 is: 6,890.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,718.16 : 8,562.15 = 4,601.62 : x
  2. Step 2: Convert to fraction form
    5,718.16/8,562.15 = 4,601.62/x
  3. Step 3: Cross multiply
    5,718.16x = 8,562.15 × 4,601.62
  4. Step 4: Simplify right side
    5,718.16x = 39,399,760.68
  5. Step 5: Solve for x
    x = 39,399,760.68/5,718.16
  6. Step 6: Final answer
    x = 6,890.29

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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.