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Finding the Fourth Proportional to 67,211.61, 92,751.28 and 36,996.28

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Solution

The fourth proportional to 67,211.61, 92,751.28 and 36,996.28 is: 51,054.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,211.61 : 92,751.28 = 36,996.28 : x
  2. Step 2: Convert to fraction form
    67,211.61/92,751.28 = 36,996.28/x
  3. Step 3: Cross multiply
    67,211.61x = 92,751.28 × 36,996.28
  4. Step 4: Simplify right side
    67,211.61x = 3,431,452,325.24
  5. Step 5: Solve for x
    x = 3,431,452,325.24/67,211.61
  6. Step 6: Final answer
    x = 51,054.46

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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.