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Finding the Fourth Proportional to 24,140.70, 36,211.05 and 20,495.70

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Solution

The fourth proportional to 24,140.70, 36,211.05 and 20,495.70 is: 30,743.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,140.70 : 36,211.05 = 20,495.70 : x
  2. Step 2: Convert to fraction form
    24,140.70/36,211.05 = 20,495.70/x
  3. Step 3: Cross multiply
    24,140.70x = 36,211.05 × 20,495.70
  4. Step 4: Simplify right side
    24,140.70x = 742,170,817.49
  5. Step 5: Solve for x
    x = 742,170,817.49/24,140.70
  6. Step 6: Final answer
    x = 30,743.55

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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.