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Finding the Fourth Proportional to 8,865.96, 12,234.33 and 4,887.24

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Solution

The fourth proportional to 8,865.96, 12,234.33 and 4,887.24 is: 6,744.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,865.96 : 12,234.33 = 4,887.24 : x
  2. Step 2: Convert to fraction form
    8,865.96/12,234.33 = 4,887.24/x
  3. Step 3: Cross multiply
    8,865.96x = 12,234.33 × 4,887.24
  4. Step 4: Simplify right side
    8,865.96x = 59,792,106.95
  5. Step 5: Solve for x
    x = 59,792,106.95/8,865.96
  6. Step 6: Final answer
    x = 6,744.01

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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.