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Finding the Fourth Proportional to 55,460.70, 83,081.70 and 51,524.10

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Solution

The fourth proportional to 55,460.70, 83,081.70 and 51,524.10 is: 77,184.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,460.70 : 83,081.70 = 51,524.10 : x
  2. Step 2: Convert to fraction form
    55,460.70/83,081.70 = 51,524.10/x
  3. Step 3: Cross multiply
    55,460.70x = 83,081.70 × 51,524.10
  4. Step 4: Simplify right side
    55,460.70x = 4,280,709,818.97
  5. Step 5: Solve for x
    x = 4,280,709,818.97/55,460.70
  6. Step 6: Final answer
    x = 77,184.56

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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.