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Finding the Fourth Proportional to 4,491.43, 6,726.69 and 4,335.71

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Solution

The fourth proportional to 4,491.43, 6,726.69 and 4,335.71 is: 6,493.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.43 : 6,726.69 = 4,335.71 : x
  2. Step 2: Convert to fraction form
    4,491.43/6,726.69 = 4,335.71/x
  3. Step 3: Cross multiply
    4,491.43x = 6,726.69 × 4,335.71
  4. Step 4: Simplify right side
    4,491.43x = 29,164,943.47
  5. Step 5: Solve for x
    x = 29,164,943.47/4,491.43
  6. Step 6: Final answer
    x = 6,493.47

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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.