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Finding the Fourth Proportional to 43,605.92, 60,187.67 and 25,712.84

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Solution

The fourth proportional to 43,605.92, 60,187.67 and 25,712.84 is: 35,490.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,605.92 : 60,187.67 = 25,712.84 : x
  2. Step 2: Convert to fraction form
    43,605.92/60,187.67 = 25,712.84/x
  3. Step 3: Cross multiply
    43,605.92x = 60,187.67 × 25,712.84
  4. Step 4: Simplify right side
    43,605.92x = 1,547,595,928.68
  5. Step 5: Solve for x
    x = 1,547,595,928.68/43,605.92
  6. Step 6: Final answer
    x = 35,490.50

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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.