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Finding the Fourth Proportional to 8,488.36, 11,725.75 and 8,073.17

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Solution

The fourth proportional to 8,488.36, 11,725.75 and 8,073.17 is: 11,152.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,488.36 : 11,725.75 = 8,073.17 : x
  2. Step 2: Convert to fraction form
    8,488.36/11,725.75 = 8,073.17/x
  3. Step 3: Cross multiply
    8,488.36x = 11,725.75 × 8,073.17
  4. Step 4: Simplify right side
    8,488.36x = 94,663,982.26
  5. Step 5: Solve for x
    x = 94,663,982.26/8,488.36
  6. Step 6: Final answer
    x = 11,152.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.