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Finding the Fourth Proportional to 56,185.76, 84,250.22 and 18,732.71

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Solution

The fourth proportional to 56,185.76, 84,250.22 and 18,732.71 is: 28,089.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,185.76 : 84,250.22 = 18,732.71 : x
  2. Step 2: Convert to fraction form
    56,185.76/84,250.22 = 18,732.71/x
  3. Step 3: Cross multiply
    56,185.76x = 84,250.22 × 18,732.71
  4. Step 4: Simplify right side
    56,185.76x = 1,578,234,938.70
  5. Step 5: Solve for x
    x = 1,578,234,938.70/56,185.76
  6. Step 6: Final answer
    x = 28,089.59

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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.