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Finding the Fourth Proportional to 24,216.40, 36,281.40 and 20,501.20

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Solution

The fourth proportional to 24,216.40, 36,281.40 and 20,501.20 is: 30,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,216.40 : 36,281.40 = 20,501.20 : x
  2. Step 2: Convert to fraction form
    24,216.40/36,281.40 = 20,501.20/x
  3. Step 3: Cross multiply
    24,216.40x = 36,281.40 × 20,501.20
  4. Step 4: Simplify right side
    24,216.40x = 743,812,237.68
  5. Step 5: Solve for x
    x = 743,812,237.68/24,216.40
  6. Step 6: Final answer
    x = 30,715.23

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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.