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Finding the Fourth Proportional to 69,567.99, 96,005.52 and 39,351.87

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Solution

The fourth proportional to 69,567.99, 96,005.52 and 39,351.87 is: 54,306.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,567.99 : 96,005.52 = 39,351.87 : x
  2. Step 2: Convert to fraction form
    69,567.99/96,005.52 = 39,351.87/x
  3. Step 3: Cross multiply
    69,567.99x = 96,005.52 × 39,351.87
  4. Step 4: Simplify right side
    69,567.99x = 3,777,996,742.32
  5. Step 5: Solve for x
    x = 3,777,996,742.32/69,567.99
  6. Step 6: Final answer
    x = 54,306.54

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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.