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Finding the Fourth Proportional to 69,860.69, 96,407.76 and 38,029.83

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Solution

The fourth proportional to 69,860.69, 96,407.76 and 38,029.83 is: 52,481.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,860.69 : 96,407.76 = 38,029.83 : x
  2. Step 2: Convert to fraction form
    69,860.69/96,407.76 = 38,029.83/x
  3. Step 3: Cross multiply
    69,860.69x = 96,407.76 × 38,029.83
  4. Step 4: Simplify right side
    69,860.69x = 3,666,370,723.48
  5. Step 5: Solve for x
    x = 3,666,370,723.48/69,860.69
  6. Step 6: Final answer
    x = 52,481.17

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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.