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Finding the Fourth Proportional to 38,010.80, 57,025.47 and 26,788.02

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Solution

The fourth proportional to 38,010.80, 57,025.47 and 26,788.02 is: 40,188.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,010.80 : 57,025.47 = 26,788.02 : x
  2. Step 2: Convert to fraction form
    38,010.80/57,025.47 = 26,788.02/x
  3. Step 3: Cross multiply
    38,010.80x = 57,025.47 × 26,788.02
  4. Step 4: Simplify right side
    38,010.80x = 1,527,599,430.87
  5. Step 5: Solve for x
    x = 1,527,599,430.87/38,010.80
  6. Step 6: Final answer
    x = 40,188.57

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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.