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Finding the Fourth Proportional to 7,502.52, 11,253.79 and 1,955.85

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Solution

The fourth proportional to 7,502.52, 11,253.79 and 1,955.85 is: 2,933.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.52 : 11,253.79 = 1,955.85 : x
  2. Step 2: Convert to fraction form
    7,502.52/11,253.79 = 1,955.85/x
  3. Step 3: Cross multiply
    7,502.52x = 11,253.79 × 1,955.85
  4. Step 4: Simplify right side
    7,502.52x = 22,010,725.17
  5. Step 5: Solve for x
    x = 22,010,725.17/7,502.52
  6. Step 6: Final answer
    x = 2,933.78

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Double scale
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Similar ratio
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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.