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Finding the Fourth Proportional to 12,433.47, 17,158.19 and 6,844.47

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Solution

The fourth proportional to 12,433.47, 17,158.19 and 6,844.47 is: 9,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,433.47 : 17,158.19 = 6,844.47 : x
  2. Step 2: Convert to fraction form
    12,433.47/17,158.19 = 6,844.47/x
  3. Step 3: Cross multiply
    12,433.47x = 17,158.19 × 6,844.47
  4. Step 4: Simplify right side
    12,433.47x = 117,438,716.71
  5. Step 5: Solve for x
    x = 117,438,716.71/12,433.47
  6. Step 6: Final answer
    x = 9,445.37

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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.