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Finding the Fourth Proportional to 69,579.38, 96,024.37 and 39,364.82

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Solution

The fourth proportional to 69,579.38, 96,024.37 and 39,364.82 is: 54,326.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,579.38 : 96,024.37 = 39,364.82 : x
  2. Step 2: Convert to fraction form
    69,579.38/96,024.37 = 39,364.82/x
  3. Step 3: Cross multiply
    69,579.38x = 96,024.37 × 39,364.82
  4. Step 4: Simplify right side
    69,579.38x = 3,779,982,040.66
  5. Step 5: Solve for x
    x = 3,779,982,040.66/69,579.38
  6. Step 6: Final answer
    x = 54,326.18

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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.