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Finding the Fourth Proportional to 67,129.29, 92,638.71 and 36,916.56

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Solution

The fourth proportional to 67,129.29, 92,638.71 and 36,916.56 is: 50,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.29 : 92,638.71 = 36,916.56 : x
  2. Step 2: Convert to fraction form
    67,129.29/92,638.71 = 36,916.56/x
  3. Step 3: Cross multiply
    67,129.29x = 92,638.71 × 36,916.56
  4. Step 4: Simplify right side
    67,129.29x = 3,419,902,496.04
  5. Step 5: Solve for x
    x = 3,419,902,496.04/67,129.29
  6. Step 6: Final answer
    x = 50,945.01

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1.5x scale

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.