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Finding the Fourth Proportional to 24,470.40, 36,705.60 and 20,630.40

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Solution

The fourth proportional to 24,470.40, 36,705.60 and 20,630.40 is: 30,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,470.40 : 36,705.60 = 20,630.40 : x
  2. Step 2: Convert to fraction form
    24,470.40/36,705.60 = 20,630.40/x
  3. Step 3: Cross multiply
    24,470.40x = 36,705.60 × 20,630.40
  4. Step 4: Simplify right side
    24,470.40x = 757,251,210.24
  5. Step 5: Solve for x
    x = 757,251,210.24/24,470.40
  6. Step 6: Final answer
    x = 30,945.60

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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.