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Finding the Fourth Proportional to 10,055.88, 15,040.76 and 7,251.12

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Solution

The fourth proportional to 10,055.88, 15,040.76 and 7,251.12 is: 10,845.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,055.88 : 15,040.76 = 7,251.12 : x
  2. Step 2: Convert to fraction form
    10,055.88/15,040.76 = 7,251.12/x
  3. Step 3: Cross multiply
    10,055.88x = 15,040.76 × 7,251.12
  4. Step 4: Simplify right side
    10,055.88x = 109,062,319.40
  5. Step 5: Solve for x
    x = 109,062,319.40/10,055.88
  6. Step 6: Final answer
    x = 10,845.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.