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Finding the Fourth Proportional to 72,023.40, 107,955.90 and 25,252.20

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Solution

The fourth proportional to 72,023.40, 107,955.90 and 25,252.20 is: 37,850.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,023.40 : 107,955.90 = 25,252.20 : x
  2. Step 2: Convert to fraction form
    72,023.40/107,955.90 = 25,252.20/x
  3. Step 3: Cross multiply
    72,023.40x = 107,955.90 × 25,252.20
  4. Step 4: Simplify right side
    72,023.40x = 2,726,123,977.98
  5. Step 5: Solve for x
    x = 2,726,123,977.98/72,023.40
  6. Step 6: Final answer
    x = 37,850.53

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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.