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Finding the Fourth Proportional to 4,491.51, 6,726.93 and 4,335.85

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Solution

The fourth proportional to 4,491.51, 6,726.93 and 4,335.85 is: 6,493.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.51 : 6,726.93 = 4,335.85 : x
  2. Step 2: Convert to fraction form
    4,491.51/6,726.93 = 4,335.85/x
  3. Step 3: Cross multiply
    4,491.51x = 6,726.93 × 4,335.85
  4. Step 4: Simplify right side
    4,491.51x = 29,166,959.44
  5. Step 5: Solve for x
    x = 29,166,959.44/4,491.51
  6. Step 6: Final answer
    x = 6,493.80

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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.