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Finding the Fourth Proportional to 6,726.74, 9,287.06 and 4,337.87

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Solution

The fourth proportional to 6,726.74, 9,287.06 and 4,337.87 is: 5,988.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,726.74 : 9,287.06 = 4,337.87 : x
  2. Step 2: Convert to fraction form
    6,726.74/9,287.06 = 4,337.87/x
  3. Step 3: Cross multiply
    6,726.74x = 9,287.06 × 4,337.87
  4. Step 4: Simplify right side
    6,726.74x = 40,285,990.84
  5. Step 5: Solve for x
    x = 40,285,990.84/6,726.74
  6. Step 6: Final answer
    x = 5,988.94

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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.