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Finding the Fourth Proportional to 7,624.34, 11,448.12 and 7,248.45

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Solution

The fourth proportional to 7,624.34, 11,448.12 and 7,248.45 is: 10,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,624.34 : 11,448.12 = 7,248.45 : x
  2. Step 2: Convert to fraction form
    7,624.34/11,448.12 = 7,248.45/x
  3. Step 3: Cross multiply
    7,624.34x = 11,448.12 × 7,248.45
  4. Step 4: Simplify right side
    7,624.34x = 82,981,195.53
  5. Step 5: Solve for x
    x = 82,981,195.53/7,624.34
  6. Step 6: Final answer
    x = 10,883.72

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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.