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Finding the Fourth Proportional to 51,330.70, 76,886.70 and 44,769.70

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Solution

The fourth proportional to 51,330.70, 76,886.70 and 44,769.70 is: 67,059.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,330.70 : 76,886.70 = 44,769.70 : x
  2. Step 2: Convert to fraction form
    51,330.70/76,886.70 = 44,769.70/x
  3. Step 3: Cross multiply
    51,330.70x = 76,886.70 × 44,769.70
  4. Step 4: Simplify right side
    51,330.70x = 3,442,194,492.99
  5. Step 5: Solve for x
    x = 3,442,194,492.99/51,330.70
  6. Step 6: Final answer
    x = 67,059.18

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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.