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Finding the Fourth Proportional to 58,919.39, 88,205.43 and 38,891.94

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Solution

The fourth proportional to 58,919.39, 88,205.43 and 38,891.94 is: 58,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,919.39 : 88,205.43 = 38,891.94 : x
  2. Step 2: Convert to fraction form
    58,919.39/88,205.43 = 38,891.94/x
  3. Step 3: Cross multiply
    58,919.39x = 88,205.43 × 38,891.94
  4. Step 4: Simplify right side
    58,919.39x = 3,430,480,291.23
  5. Step 5: Solve for x
    x = 3,430,480,291.23/58,919.39
  6. Step 6: Final answer
    x = 58,223.28

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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.