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Finding the Fourth Proportional to 66,674.92, 100,029.66 and 25,122.28

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Solution

The fourth proportional to 66,674.92, 100,029.66 and 25,122.28 is: 37,689.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,674.92 : 100,029.66 = 25,122.28 : x
  2. Step 2: Convert to fraction form
    66,674.92/100,029.66 = 25,122.28/x
  3. Step 3: Cross multiply
    66,674.92x = 100,029.66 × 25,122.28
  4. Step 4: Simplify right side
    66,674.92x = 2,512,973,126.82
  5. Step 5: Solve for x
    x = 2,512,973,126.82/66,674.92
  6. Step 6: Final answer
    x = 37,689.93

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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.