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Finding the Fourth Proportional to 25,193.20, 37,978.50 and 23,501.68

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Solution

The fourth proportional to 25,193.20, 37,978.50 and 23,501.68 is: 35,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,193.20 : 37,978.50 = 23,501.68 : x
  2. Step 2: Convert to fraction form
    25,193.20/37,978.50 = 23,501.68/x
  3. Step 3: Cross multiply
    25,193.20x = 37,978.50 × 23,501.68
  4. Step 4: Simplify right side
    25,193.20x = 892,558,553.88
  5. Step 5: Solve for x
    x = 892,558,553.88/25,193.20
  6. Step 6: Final answer
    x = 35,428.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.