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Finding the Fourth Proportional to 22,259.60, 33,368.76 and 8,211.88

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Solution

The fourth proportional to 22,259.60, 33,368.76 and 8,211.88 is: 12,310.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,259.60 : 33,368.76 = 8,211.88 : x
  2. Step 2: Convert to fraction form
    22,259.60/33,368.76 = 8,211.88/x
  3. Step 3: Cross multiply
    22,259.60x = 33,368.76 × 8,211.88
  4. Step 4: Simplify right side
    22,259.60x = 274,020,252.87
  5. Step 5: Solve for x
    x = 274,020,252.87/22,259.60
  6. Step 6: Final answer
    x = 12,310.21

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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.