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Finding the Fourth Proportional to 49,350.70, 73,916.70 and 40,602.70

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Solution

The fourth proportional to 49,350.70, 73,916.70 and 40,602.70 is: 60,814.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,350.70 : 73,916.70 = 40,602.70 : x
  2. Step 2: Convert to fraction form
    49,350.70/73,916.70 = 40,602.70/x
  3. Step 3: Cross multiply
    49,350.70x = 73,916.70 × 40,602.70
  4. Step 4: Simplify right side
    49,350.70x = 3,001,217,595.09
  5. Step 5: Solve for x
    x = 3,001,217,595.09/49,350.70
  6. Step 6: Final answer
    x = 60,814.08

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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.