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Finding the Fourth Proportional to 8,949.33, 13,430.48 and 5,987.97

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Solution

The fourth proportional to 8,949.33, 13,430.48 and 5,987.97 is: 8,986.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.33 : 13,430.48 = 5,987.97 : x
  2. Step 2: Convert to fraction form
    8,949.33/13,430.48 = 5,987.97/x
  3. Step 3: Cross multiply
    8,949.33x = 13,430.48 × 5,987.97
  4. Step 4: Simplify right side
    8,949.33x = 80,421,281.39
  5. Step 5: Solve for x
    x = 80,421,281.39/8,949.33
  6. Step 6: Final answer
    x = 8,986.29

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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.