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Finding the Fourth Proportional to 83,779.99, 115,613.45 and 46,053.97

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Solution

The fourth proportional to 83,779.99, 115,613.45 and 46,053.97 is: 63,552.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,779.99 : 115,613.45 = 46,053.97 : x
  2. Step 2: Convert to fraction form
    83,779.99/115,613.45 = 46,053.97/x
  3. Step 3: Cross multiply
    83,779.99x = 115,613.45 × 46,053.97
  4. Step 4: Simplify right side
    83,779.99x = 5,324,458,357.90
  5. Step 5: Solve for x
    x = 5,324,458,357.90/83,779.99
  6. Step 6: Final answer
    x = 63,552.86

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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.