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Finding the Fourth Proportional to 6,287.18, 8,675.10 and 4,048.61

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Solution

The fourth proportional to 6,287.18, 8,675.10 and 4,048.61 is: 5,586.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,287.18 : 8,675.10 = 4,048.61 : x
  2. Step 2: Convert to fraction form
    6,287.18/8,675.10 = 4,048.61/x
  3. Step 3: Cross multiply
    6,287.18x = 8,675.10 × 4,048.61
  4. Step 4: Simplify right side
    6,287.18x = 35,122,053.24
  5. Step 5: Solve for x
    x = 35,122,053.24/6,287.18
  6. Step 6: Final answer
    x = 5,586.30

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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.