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Finding the Fourth Proportional to 24,187.20, 36,232.80 and 21,300.80

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Solution

The fourth proportional to 24,187.20, 36,232.80 and 21,300.80 is: 31,908.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,187.20 : 36,232.80 = 21,300.80 : x
  2. Step 2: Convert to fraction form
    24,187.20/36,232.80 = 21,300.80/x
  3. Step 3: Cross multiply
    24,187.20x = 36,232.80 × 21,300.80
  4. Step 4: Simplify right side
    24,187.20x = 771,787,626.24
  5. Step 5: Solve for x
    x = 771,787,626.24/24,187.20
  6. Step 6: Final answer
    x = 31,908.93

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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.