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Finding the Fourth Proportional to 55,565.42, 83,350.82 and 18,125.42

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Solution

The fourth proportional to 55,565.42, 83,350.82 and 18,125.42 is: 27,189.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,565.42 : 83,350.82 = 18,125.42 : x
  2. Step 2: Convert to fraction form
    55,565.42/83,350.82 = 18,125.42/x
  3. Step 3: Cross multiply
    55,565.42x = 83,350.82 × 18,125.42
  4. Step 4: Simplify right side
    55,565.42x = 1,510,768,529.22
  5. Step 5: Solve for x
    x = 1,510,768,529.22/55,565.42
  6. Step 6: Final answer
    x = 27,189.01

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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.