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Finding the Fourth Proportional to 6,343.77, 9,515.66 and 1,726.77

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Solution

The fourth proportional to 6,343.77, 9,515.66 and 1,726.77 is: 2,590.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,343.77 : 9,515.66 = 1,726.77 : x
  2. Step 2: Convert to fraction form
    6,343.77/9,515.66 = 1,726.77/x
  3. Step 3: Cross multiply
    6,343.77x = 9,515.66 × 1,726.77
  4. Step 4: Simplify right side
    6,343.77x = 16,431,356.22
  5. Step 5: Solve for x
    x = 16,431,356.22/6,343.77
  6. Step 6: Final answer
    x = 2,590.16

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Similar ratio
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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.