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Finding the Fourth Proportional to 12,344.31, 17,035.17 and 7,038.99

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Solution

The fourth proportional to 12,344.31, 17,035.17 and 7,038.99 is: 9,713.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.31 : 17,035.17 = 7,038.99 : x
  2. Step 2: Convert to fraction form
    12,344.31/17,035.17 = 7,038.99/x
  3. Step 3: Cross multiply
    12,344.31x = 17,035.17 × 7,038.99
  4. Step 4: Simplify right side
    12,344.31x = 119,910,391.28
  5. Step 5: Solve for x
    x = 119,910,391.28/12,344.31
  6. Step 6: Final answer
    x = 9,713.82

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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.