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Finding the Fourth Proportional to 66,913.33, 100,282.50 and 27,424.21

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Solution

The fourth proportional to 66,913.33, 100,282.50 and 27,424.21 is: 41,100.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.33 : 100,282.50 = 27,424.21 : x
  2. Step 2: Convert to fraction form
    66,913.33/100,282.50 = 27,424.21/x
  3. Step 3: Cross multiply
    66,913.33x = 100,282.50 × 27,424.21
  4. Step 4: Simplify right side
    66,913.33x = 2,750,168,339.33
  5. Step 5: Solve for x
    x = 2,750,168,339.33/66,913.33
  6. Step 6: Final answer
    x = 41,100.46

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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.