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Finding the Fourth Proportional to 62,664.71, 94,005.86 and 18,294.71

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Solution

The fourth proportional to 62,664.71, 94,005.86 and 18,294.71 is: 27,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,664.71 : 94,005.86 = 18,294.71 : x
  2. Step 2: Convert to fraction form
    62,664.71/94,005.86 = 18,294.71/x
  3. Step 3: Cross multiply
    62,664.71x = 94,005.86 × 18,294.71
  4. Step 4: Simplify right side
    62,664.71x = 1,719,809,385.50
  5. Step 5: Solve for x
    x = 1,719,809,385.50/62,664.71
  6. Step 6: Final answer
    x = 27,444.63

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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.