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Finding the Fourth Proportional to 55,597.69, 83,397.54 and 20,061.67

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Solution

The fourth proportional to 55,597.69, 83,397.54 and 20,061.67 is: 30,092.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,597.69 : 83,397.54 = 20,061.67 : x
  2. Step 2: Convert to fraction form
    55,597.69/83,397.54 = 20,061.67/x
  3. Step 3: Cross multiply
    55,597.69x = 83,397.54 × 20,061.67
  4. Step 4: Simplify right side
    55,597.69x = 1,673,093,926.29
  5. Step 5: Solve for x
    x = 1,673,093,926.29/55,597.69
  6. Step 6: Final answer
    x = 30,092.87

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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.