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Finding the Fourth Proportional to 45,493, 62,780.79 and 26,630.53

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Solution

The fourth proportional to 45,493, 62,780.79 and 26,630.53 is: 36,750.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,493 : 62,780.79 = 26,630.53 : x
  2. Step 2: Convert to fraction form
    45,493/62,780.79 = 26,630.53/x
  3. Step 3: Cross multiply
    45,493x = 62,780.79 × 26,630.53
  4. Step 4: Simplify right side
    45,493x = 1,671,885,711.52
  5. Step 5: Solve for x
    x = 1,671,885,711.52/45,493
  6. Step 6: Final answer
    x = 36,750.39

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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.