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Finding the Fourth Proportional to 8,896.40, 13,351.48 and 3,354.78

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Solution

The fourth proportional to 8,896.40, 13,351.48 and 3,354.78 is: 5,034.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,896.40 : 13,351.48 = 3,354.78 : x
  2. Step 2: Convert to fraction form
    8,896.40/13,351.48 = 3,354.78/x
  3. Step 3: Cross multiply
    8,896.40x = 13,351.48 × 3,354.78
  4. Step 4: Simplify right side
    8,896.40x = 44,791,319.76
  5. Step 5: Solve for x
    x = 44,791,319.76/8,896.40
  6. Step 6: Final answer
    x = 5,034.77

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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.