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Finding the Fourth Proportional to 67,029.61, 100,527.81 and 22,655.38

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Solution

The fourth proportional to 67,029.61, 100,527.81 and 22,655.38 is: 33,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,029.61 : 100,527.81 = 22,655.38 : x
  2. Step 2: Convert to fraction form
    67,029.61/100,527.81 = 22,655.38/x
  3. Step 3: Cross multiply
    67,029.61x = 100,527.81 × 22,655.38
  4. Step 4: Simplify right side
    67,029.61x = 2,277,495,736.12
  5. Step 5: Solve for x
    x = 2,277,495,736.12/67,029.61
  6. Step 6: Final answer
    x = 33,977.46

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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.