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Finding the Fourth Proportional to 7,250.68, 10,881.52 and 5,307.88

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Solution

The fourth proportional to 7,250.68, 10,881.52 and 5,307.88 is: 7,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,250.68 : 10,881.52 = 5,307.88 : x
  2. Step 2: Convert to fraction form
    7,250.68/10,881.52 = 5,307.88/x
  3. Step 3: Cross multiply
    7,250.68x = 10,881.52 × 5,307.88
  4. Step 4: Simplify right side
    7,250.68x = 57,757,802.38
  5. Step 5: Solve for x
    x = 57,757,802.38/7,250.68
  6. Step 6: Final answer
    x = 7,965.85

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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.