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Finding the Fourth Proportional to 57,463.70, 79,298.31 and 34,816.10

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Solution

The fourth proportional to 57,463.70, 79,298.31 and 34,816.10 is: 48,045.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,463.70 : 79,298.31 = 34,816.10 : x
  2. Step 2: Convert to fraction form
    57,463.70/79,298.31 = 34,816.10/x
  3. Step 3: Cross multiply
    57,463.70x = 79,298.31 × 34,816.10
  4. Step 4: Simplify right side
    57,463.70x = 2,760,857,890.79
  5. Step 5: Solve for x
    x = 2,760,857,890.79/57,463.70
  6. Step 6: Final answer
    x = 48,045.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.