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Finding the Fourth Proportional to 62,771.88, 86,624.39 and 34,475.75

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Solution

The fourth proportional to 62,771.88, 86,624.39 and 34,475.75 is: 47,576.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,771.88 : 86,624.39 = 34,475.75 : x
  2. Step 2: Convert to fraction form
    62,771.88/86,624.39 = 34,475.75/x
  3. Step 3: Cross multiply
    62,771.88x = 86,624.39 × 34,475.75
  4. Step 4: Simplify right side
    62,771.88x = 2,986,440,208.04
  5. Step 5: Solve for x
    x = 2,986,440,208.04/62,771.88
  6. Step 6: Final answer
    x = 47,576.08

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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.