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Finding the Fourth Proportional to 63,605.57, 95,320.07 and 28,013.51

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Solution

The fourth proportional to 63,605.57, 95,320.07 and 28,013.51 is: 41,981.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,605.57 : 95,320.07 = 28,013.51 : x
  2. Step 2: Convert to fraction form
    63,605.57/95,320.07 = 28,013.51/x
  3. Step 3: Cross multiply
    63,605.57x = 95,320.07 × 28,013.51
  4. Step 4: Simplify right side
    63,605.57x = 2,670,249,734.15
  5. Step 5: Solve for x
    x = 2,670,249,734.15/63,605.57
  6. Step 6: Final answer
    x = 41,981.38

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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.