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Finding the Fourth Proportional to 8,744.93, 12,062.49 and 5,205.50

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Solution

The fourth proportional to 8,744.93, 12,062.49 and 5,205.50 is: 7,180.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,744.93 : 12,062.49 = 5,205.50 : x
  2. Step 2: Convert to fraction form
    8,744.93/12,062.49 = 5,205.50/x
  3. Step 3: Cross multiply
    8,744.93x = 12,062.49 × 5,205.50
  4. Step 4: Simplify right side
    8,744.93x = 62,791,291.70
  5. Step 5: Solve for x
    x = 62,791,291.70/8,744.93
  6. Step 6: Final answer
    x = 7,180.31

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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.