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Finding the Fourth Proportional to 43,452.90, 59,934.02 and 39,879.38

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Solution

The fourth proportional to 43,452.90, 59,934.02 and 39,879.38 is: 55,005.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,452.90 : 59,934.02 = 39,879.38 : x
  2. Step 2: Convert to fraction form
    43,452.90/59,934.02 = 39,879.38/x
  3. Step 3: Cross multiply
    43,452.90x = 59,934.02 × 39,879.38
  4. Step 4: Simplify right side
    43,452.90x = 2,390,131,558.51
  5. Step 5: Solve for x
    x = 2,390,131,558.51/43,452.90
  6. Step 6: Final answer
    x = 55,005.11

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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.