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Finding the Fourth Proportional to 45,518.88, 62,780.45 and 29,608.41

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Solution

The fourth proportional to 45,518.88, 62,780.45 and 29,608.41 is: 40,836.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,518.88 : 62,780.45 = 29,608.41 : x
  2. Step 2: Convert to fraction form
    45,518.88/62,780.45 = 29,608.41/x
  3. Step 3: Cross multiply
    45,518.88x = 62,780.45 × 29,608.41
  4. Step 4: Simplify right side
    45,518.88x = 1,858,829,155.54
  5. Step 5: Solve for x
    x = 1,858,829,155.54/45,518.88
  6. Step 6: Final answer
    x = 40,836.44

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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.