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Finding the Fourth Proportional to 60,874.50, 84,006.81 and 36,996.72

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Solution

The fourth proportional to 60,874.50, 84,006.81 and 36,996.72 is: 51,055.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,874.50 : 84,006.81 = 36,996.72 : x
  2. Step 2: Convert to fraction form
    60,874.50/84,006.81 = 36,996.72/x
  3. Step 3: Cross multiply
    60,874.50x = 84,006.81 × 36,996.72
  4. Step 4: Simplify right side
    60,874.50x = 3,107,976,427.66
  5. Step 5: Solve for x
    x = 3,107,976,427.66/60,874.50
  6. Step 6: Final answer
    x = 51,055.47

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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.