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Finding the Fourth Proportional to 9,363.76, 14,062.37 and 8,987.49

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Solution

The fourth proportional to 9,363.76, 14,062.37 and 8,987.49 is: 13,497.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.76 : 14,062.37 = 8,987.49 : x
  2. Step 2: Convert to fraction form
    9,363.76/14,062.37 = 8,987.49/x
  3. Step 3: Cross multiply
    9,363.76x = 14,062.37 × 8,987.49
  4. Step 4: Simplify right side
    9,363.76x = 126,385,409.75
  5. Step 5: Solve for x
    x = 126,385,409.75/9,363.76
  6. Step 6: Final answer
    x = 13,497.29

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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.