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Finding the Fourth Proportional to 45,262.84, 67,878.06 and 15,672.73

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Solution

The fourth proportional to 45,262.84, 67,878.06 and 15,672.73 is: 23,503.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,262.84 : 67,878.06 = 15,672.73 : x
  2. Step 2: Convert to fraction form
    45,262.84/67,878.06 = 15,672.73/x
  3. Step 3: Cross multiply
    45,262.84x = 67,878.06 × 15,672.73
  4. Step 4: Simplify right side
    45,262.84x = 1,063,834,507.30
  5. Step 5: Solve for x
    x = 1,063,834,507.30/45,262.84
  6. Step 6: Final answer
    x = 23,503.49

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1.5x scale

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.