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Finding the Fourth Proportional to 5,807.50, 8,008.92 and 4,479.10

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Solution

The fourth proportional to 5,807.50, 8,008.92 and 4,479.10 is: 6,176.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.50 : 8,008.92 = 4,479.10 : x
  2. Step 2: Convert to fraction form
    5,807.50/8,008.92 = 4,479.10/x
  3. Step 3: Cross multiply
    5,807.50x = 8,008.92 × 4,479.10
  4. Step 4: Simplify right side
    5,807.50x = 35,872,753.57
  5. Step 5: Solve for x
    x = 35,872,753.57/5,807.50
  6. Step 6: Final answer
    x = 6,176.97

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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.