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Finding the Fourth Proportional to 6,070.70, 8,379.92 and 4,744.84

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Solution

The fourth proportional to 6,070.70, 8,379.92 and 4,744.84 is: 6,549.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.70 : 8,379.92 = 4,744.84 : x
  2. Step 2: Convert to fraction form
    6,070.70/8,379.92 = 4,744.84/x
  3. Step 3: Cross multiply
    6,070.70x = 8,379.92 × 4,744.84
  4. Step 4: Simplify right side
    6,070.70x = 39,761,337.71
  5. Step 5: Solve for x
    x = 39,761,337.71/6,070.70
  6. Step 6: Final answer
    x = 6,549.71

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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.