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Finding the Fourth Proportional to 8,853.88, 13,267.86 and 5,557.54

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Solution

The fourth proportional to 8,853.88, 13,267.86 and 5,557.54 is: 8,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.88 : 13,267.86 = 5,557.54 : x
  2. Step 2: Convert to fraction form
    8,853.88/13,267.86 = 5,557.54/x
  3. Step 3: Cross multiply
    8,853.88x = 13,267.86 × 5,557.54
  4. Step 4: Simplify right side
    8,853.88x = 73,736,662.66
  5. Step 5: Solve for x
    x = 73,736,662.66/8,853.88
  6. Step 6: Final answer
    x = 8,328.18

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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.