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Finding the Fourth Proportional to 67,657.50, 101,486.67 and 17,737.15

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Solution

The fourth proportional to 67,657.50, 101,486.67 and 17,737.15 is: 26,605.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,657.50 : 101,486.67 = 17,737.15 : x
  2. Step 2: Convert to fraction form
    67,657.50/101,486.67 = 17,737.15/x
  3. Step 3: Cross multiply
    67,657.50x = 101,486.67 × 17,737.15
  4. Step 4: Simplify right side
    67,657.50x = 1,800,084,035.07
  5. Step 5: Solve for x
    x = 1,800,084,035.07/67,657.50
  6. Step 6: Final answer
    x = 26,605.83

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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.