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Finding the Fourth Proportional to 54,808.79, 75,576.85 and 47,576.73

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Solution

The fourth proportional to 54,808.79, 75,576.85 and 47,576.73 is: 65,604.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,808.79 : 75,576.85 = 47,576.73 : x
  2. Step 2: Convert to fraction form
    54,808.79/75,576.85 = 47,576.73/x
  3. Step 3: Cross multiply
    54,808.79x = 75,576.85 × 47,576.73
  4. Step 4: Simplify right side
    54,808.79x = 3,595,699,386.70
  5. Step 5: Solve for x
    x = 3,595,699,386.70/54,808.79
  6. Step 6: Final answer
    x = 65,604.43

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1.5x scale

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.