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Finding the Fourth Proportional to 24,752.80, 37,123.20 and 7,220.80

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Solution

The fourth proportional to 24,752.80, 37,123.20 and 7,220.80 is: 10,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,752.80 : 37,123.20 = 7,220.80 : x
  2. Step 2: Convert to fraction form
    24,752.80/37,123.20 = 7,220.80/x
  3. Step 3: Cross multiply
    24,752.80x = 37,123.20 × 7,220.80
  4. Step 4: Simplify right side
    24,752.80x = 268,059,202.56
  5. Step 5: Solve for x
    x = 268,059,202.56/24,752.80
  6. Step 6: Final answer
    x = 10,829.45

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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.