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Finding the Fourth Proportional to 12,554.52, 17,323.44 and 7,517.55

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Solution

The fourth proportional to 12,554.52, 17,323.44 and 7,517.55 is: 10,373.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,554.52 : 17,323.44 = 7,517.55 : x
  2. Step 2: Convert to fraction form
    12,554.52/17,323.44 = 7,517.55/x
  3. Step 3: Cross multiply
    12,554.52x = 17,323.44 × 7,517.55
  4. Step 4: Simplify right side
    12,554.52x = 130,229,826.37
  5. Step 5: Solve for x
    x = 130,229,826.37/12,554.52
  6. Step 6: Final answer
    x = 10,373.14

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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.