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Finding the Fourth Proportional to 69,114.70, 95,354.51 and 41,899.56

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Solution

The fourth proportional to 69,114.70, 95,354.51 and 41,899.56 is: 57,806.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,114.70 : 95,354.51 = 41,899.56 : x
  2. Step 2: Convert to fraction form
    69,114.70/95,354.51 = 41,899.56/x
  3. Step 3: Cross multiply
    69,114.70x = 95,354.51 × 41,899.56
  4. Step 4: Simplify right side
    69,114.70x = 3,995,312,013.02
  5. Step 5: Solve for x
    x = 3,995,312,013.02/69,114.70
  6. Step 6: Final answer
    x = 57,806.98

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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.