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Finding the Fourth Proportional to 67,210.80, 92,749.32 and 36,995.28

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Solution

The fourth proportional to 67,210.80, 92,749.32 and 36,995.28 is: 51,052.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,210.80 : 92,749.32 = 36,995.28 : x
  2. Step 2: Convert to fraction form
    67,210.80/92,749.32 = 36,995.28/x
  3. Step 3: Cross multiply
    67,210.80x = 92,749.32 × 36,995.28
  4. Step 4: Simplify right side
    67,210.80x = 3,431,287,063.21
  5. Step 5: Solve for x
    x = 3,431,287,063.21/67,210.80
  6. Step 6: Final answer
    x = 51,052.61

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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.