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Finding the Fourth Proportional to 6,262.38, 8,630.19 and 4,490.91

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Solution

The fourth proportional to 6,262.38, 8,630.19 and 4,490.91 is: 6,188.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.38 : 8,630.19 = 4,490.91 : x
  2. Step 2: Convert to fraction form
    6,262.38/8,630.19 = 4,490.91/x
  3. Step 3: Cross multiply
    6,262.38x = 8,630.19 × 4,490.91
  4. Step 4: Simplify right side
    6,262.38x = 38,757,406.57
  5. Step 5: Solve for x
    x = 38,757,406.57/6,262.38
  6. Step 6: Final answer
    x = 6,188.93

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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.