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Finding the Fourth Proportional to 23,122.60, 34,683.90 and 9,965.80

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Solution

The fourth proportional to 23,122.60, 34,683.90 and 9,965.80 is: 14,948.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,122.60 : 34,683.90 = 9,965.80 : x
  2. Step 2: Convert to fraction form
    23,122.60/34,683.90 = 9,965.80/x
  3. Step 3: Cross multiply
    23,122.60x = 34,683.90 × 9,965.80
  4. Step 4: Simplify right side
    23,122.60x = 345,652,810.62
  5. Step 5: Solve for x
    x = 345,652,810.62/23,122.60
  6. Step 6: Final answer
    x = 14,948.70

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Similar ratio
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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.