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Finding the Fourth Proportional to 8,828.97, 13,255.03 and 5,920.29

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Solution

The fourth proportional to 8,828.97, 13,255.03 and 5,920.29 is: 8,888.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.97 : 13,255.03 = 5,920.29 : x
  2. Step 2: Convert to fraction form
    8,828.97/13,255.03 = 5,920.29/x
  3. Step 3: Cross multiply
    8,828.97x = 13,255.03 × 5,920.29
  4. Step 4: Simplify right side
    8,828.97x = 78,473,621.56
  5. Step 5: Solve for x
    x = 78,473,621.56/8,828.97
  6. Step 6: Final answer
    x = 8,888.20

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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.