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Finding the Fourth Proportional to 69,676.63, 96,155.01 and 39,468.22

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Solution

The fourth proportional to 69,676.63, 96,155.01 and 39,468.22 is: 54,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,676.63 : 96,155.01 = 39,468.22 : x
  2. Step 2: Convert to fraction form
    69,676.63/96,155.01 = 39,468.22/x
  3. Step 3: Cross multiply
    69,676.63x = 96,155.01 × 39,468.22
  4. Step 4: Simplify right side
    69,676.63x = 3,795,067,088.78
  5. Step 5: Solve for x
    x = 3,795,067,088.78/69,676.63
  6. Step 6: Final answer
    x = 54,466.86

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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.