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Finding the Fourth Proportional to 66,959.22, 100,471.47 and 27,528.18

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Solution

The fourth proportional to 66,959.22, 100,471.47 and 27,528.18 is: 41,305.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,959.22 : 100,471.47 = 27,528.18 : x
  2. Step 2: Convert to fraction form
    66,959.22/100,471.47 = 27,528.18/x
  3. Step 3: Cross multiply
    66,959.22x = 100,471.47 × 27,528.18
  4. Step 4: Simplify right side
    66,959.22x = 2,765,796,711.02
  5. Step 5: Solve for x
    x = 2,765,796,711.02/66,959.22
  6. Step 6: Final answer
    x = 41,305.69

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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.