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Finding the Fourth Proportional to 58,690.14, 80,961.12 and 35,726.95

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Solution

The fourth proportional to 58,690.14, 80,961.12 and 35,726.95 is: 49,284.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,690.14 : 80,961.12 = 35,726.95 : x
  2. Step 2: Convert to fraction form
    58,690.14/80,961.12 = 35,726.95/x
  3. Step 3: Cross multiply
    58,690.14x = 80,961.12 × 35,726.95
  4. Step 4: Simplify right side
    58,690.14x = 2,892,493,886.18
  5. Step 5: Solve for x
    x = 2,892,493,886.18/58,690.14
  6. Step 6: Final answer
    x = 49,284.15

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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.