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Finding the Fourth Proportional to 6,668.60, 10,002.84 and 6,262.61

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Solution

The fourth proportional to 6,668.60, 10,002.84 and 6,262.61 is: 9,393.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,668.60 : 10,002.84 = 6,262.61 : x
  2. Step 2: Convert to fraction form
    6,668.60/10,002.84 = 6,262.61/x
  3. Step 3: Cross multiply
    6,668.60x = 10,002.84 × 6,262.61
  4. Step 4: Simplify right side
    6,668.60x = 62,643,835.80
  5. Step 5: Solve for x
    x = 62,643,835.80/6,668.60
  6. Step 6: Final answer
    x = 9,393.86

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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.