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Finding the Fourth Proportional to 58,620.39, 80,897.65 and 35,971.90

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Solution

The fourth proportional to 58,620.39, 80,897.65 and 35,971.90 is: 49,642.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,620.39 : 80,897.65 = 35,971.90 : x
  2. Step 2: Convert to fraction form
    58,620.39/80,897.65 = 35,971.90/x
  3. Step 3: Cross multiply
    58,620.39x = 80,897.65 × 35,971.90
  4. Step 4: Simplify right side
    58,620.39x = 2,910,041,883.86
  5. Step 5: Solve for x
    x = 2,910,041,883.86/58,620.39
  6. Step 6: Final answer
    x = 49,642.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.