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Finding the Fourth Proportional to 66,871.98, 100,307.97 and 22,498.97

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Solution

The fourth proportional to 66,871.98, 100,307.97 and 22,498.97 is: 33,748.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,871.98 : 100,307.97 = 22,498.97 : x
  2. Step 2: Convert to fraction form
    66,871.98/100,307.97 = 22,498.97/x
  3. Step 3: Cross multiply
    66,871.98x = 100,307.97 × 22,498.97
  4. Step 4: Simplify right side
    66,871.98x = 2,256,825,506.25
  5. Step 5: Solve for x
    x = 2,256,825,506.25/66,871.98
  6. Step 6: Final answer
    x = 33,748.45

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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.