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Finding the Fourth Proportional to 7,151.88, 10,729.44 and 2,534.88

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Solution

The fourth proportional to 7,151.88, 10,729.44 and 2,534.88 is: 3,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.88 : 10,729.44 = 2,534.88 : x
  2. Step 2: Convert to fraction form
    7,151.88/10,729.44 = 2,534.88/x
  3. Step 3: Cross multiply
    7,151.88x = 10,729.44 × 2,534.88
  4. Step 4: Simplify right side
    7,151.88x = 27,197,776.55
  5. Step 5: Solve for x
    x = 27,197,776.55/7,151.88
  6. Step 6: Final answer
    x = 3,802.89

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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.