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Finding the Fourth Proportional to 10,167.66, 14,030.19 and 5,691.66

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Solution

The fourth proportional to 10,167.66, 14,030.19 and 5,691.66 is: 7,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.66 : 14,030.19 = 5,691.66 : x
  2. Step 2: Convert to fraction form
    10,167.66/14,030.19 = 5,691.66/x
  3. Step 3: Cross multiply
    10,167.66x = 14,030.19 × 5,691.66
  4. Step 4: Simplify right side
    10,167.66x = 79,855,071.22
  5. Step 5: Solve for x
    x = 79,855,071.22/10,167.66
  6. Step 6: Final answer
    x = 7,853.83

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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.