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Finding the Fourth Proportional to 58,808.93, 81,155.88 and 31,951.66

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Solution

The fourth proportional to 58,808.93, 81,155.88 and 31,951.66 is: 44,093.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,808.93 : 81,155.88 = 31,951.66 : x
  2. Step 2: Convert to fraction form
    58,808.93/81,155.88 = 31,951.66/x
  3. Step 3: Cross multiply
    58,808.93x = 81,155.88 × 31,951.66
  4. Step 4: Simplify right side
    58,808.93x = 2,593,065,084.76
  5. Step 5: Solve for x
    x = 2,593,065,084.76/58,808.93
  6. Step 6: Final answer
    x = 44,093.05

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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.