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Finding the Fourth Proportional to 13,060.52, 18,023.88 and 7,394.12

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Solution

The fourth proportional to 13,060.52, 18,023.88 and 7,394.12 is: 10,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,060.52 : 18,023.88 = 7,394.12 : x
  2. Step 2: Convert to fraction form
    13,060.52/18,023.88 = 7,394.12/x
  3. Step 3: Cross multiply
    13,060.52x = 18,023.88 × 7,394.12
  4. Step 4: Simplify right side
    13,060.52x = 133,270,731.59
  5. Step 5: Solve for x
    x = 133,270,731.59/13,060.52
  6. Step 6: Final answer
    x = 10,204.09

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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.