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Finding the Fourth Proportional to 24,420.60, 36,630.90 and 21,828.60

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Solution

The fourth proportional to 24,420.60, 36,630.90 and 21,828.60 is: 32,742.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,420.60 : 36,630.90 = 21,828.60 : x
  2. Step 2: Convert to fraction form
    24,420.60/36,630.90 = 21,828.60/x
  3. Step 3: Cross multiply
    24,420.60x = 36,630.90 × 21,828.60
  4. Step 4: Simplify right side
    24,420.60x = 799,601,263.74
  5. Step 5: Solve for x
    x = 799,601,263.74/24,420.60
  6. Step 6: Final answer
    x = 32,742.90

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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.