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Finding the Fourth Proportional to 55,599.75, 83,400.03 and 18,663.75

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Solution

The fourth proportional to 55,599.75, 83,400.03 and 18,663.75 is: 27,995.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,599.75 : 83,400.03 = 18,663.75 : x
  2. Step 2: Convert to fraction form
    55,599.75/83,400.03 = 18,663.75/x
  3. Step 3: Cross multiply
    55,599.75x = 83,400.03 × 18,663.75
  4. Step 4: Simplify right side
    55,599.75x = 1,556,557,309.91
  5. Step 5: Solve for x
    x = 1,556,557,309.91/55,599.75
  6. Step 6: Final answer
    x = 27,995.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.