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Finding the Fourth Proportional to 8,842.45, 12,202.78 and 4,863.77

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Solution

The fourth proportional to 8,842.45, 12,202.78 and 4,863.77 is: 6,712.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,842.45 : 12,202.78 = 4,863.77 : x
  2. Step 2: Convert to fraction form
    8,842.45/12,202.78 = 4,863.77/x
  3. Step 3: Cross multiply
    8,842.45x = 12,202.78 × 4,863.77
  4. Step 4: Simplify right side
    8,842.45x = 59,351,515.28
  5. Step 5: Solve for x
    x = 59,351,515.28/8,842.45
  6. Step 6: Final answer
    x = 6,712.11

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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.