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Finding the Fourth Proportional to 67,616.60, 101,511.30 and 36,051.80

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Solution

The fourth proportional to 67,616.60, 101,511.30 and 36,051.80 is: 54,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,616.60 : 101,511.30 = 36,051.80 : x
  2. Step 2: Convert to fraction form
    67,616.60/101,511.30 = 36,051.80/x
  3. Step 3: Cross multiply
    67,616.60x = 101,511.30 × 36,051.80
  4. Step 4: Simplify right side
    67,616.60x = 3,659,665,085.34
  5. Step 5: Solve for x
    x = 3,659,665,085.34/67,616.60
  6. Step 6: Final answer
    x = 54,123.77

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1.5x scale

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.