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Finding the Fourth Proportional to 37,376.88, 51,580.48 and 20,610.48

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Solution

The fourth proportional to 37,376.88, 51,580.48 and 20,610.48 is: 28,442.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,376.88 : 51,580.48 = 20,610.48 : x
  2. Step 2: Convert to fraction form
    37,376.88/51,580.48 = 20,610.48/x
  3. Step 3: Cross multiply
    37,376.88x = 51,580.48 × 20,610.48
  4. Step 4: Simplify right side
    37,376.88x = 1,063,098,451.43
  5. Step 5: Solve for x
    x = 1,063,098,451.43/37,376.88
  6. Step 6: Final answer
    x = 28,442.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.