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Finding the Fourth Proportional to 24,821.80, 37,232.70 and 20,444.20

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Solution

The fourth proportional to 24,821.80, 37,232.70 and 20,444.20 is: 30,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,821.80 : 37,232.70 = 20,444.20 : x
  2. Step 2: Convert to fraction form
    24,821.80/37,232.70 = 20,444.20/x
  3. Step 3: Cross multiply
    24,821.80x = 37,232.70 × 20,444.20
  4. Step 4: Simplify right side
    24,821.80x = 761,192,765.34
  5. Step 5: Solve for x
    x = 761,192,765.34/24,821.80
  6. Step 6: Final answer
    x = 30,666.30

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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.