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Finding the Fourth Proportional to 8,853.32, 12,217.98 and 5,497.22

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Solution

The fourth proportional to 8,853.32, 12,217.98 and 5,497.22 is: 7,586.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,853.32 : 12,217.98 = 5,497.22 : x
  2. Step 2: Convert to fraction form
    8,853.32/12,217.98 = 5,497.22/x
  3. Step 3: Cross multiply
    8,853.32x = 12,217.98 × 5,497.22
  4. Step 4: Simplify right side
    8,853.32x = 67,164,924.02
  5. Step 5: Solve for x
    x = 67,164,924.02/8,853.32
  6. Step 6: Final answer
    x = 7,586.41

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Double scale
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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.