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Finding the Fourth Proportional to 66,920.63, 100,396.08 and 22,546.17

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Solution

The fourth proportional to 66,920.63, 100,396.08 and 22,546.17 is: 33,824.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,920.63 : 100,396.08 = 22,546.17 : x
  2. Step 2: Convert to fraction form
    66,920.63/100,396.08 = 22,546.17/x
  3. Step 3: Cross multiply
    66,920.63x = 100,396.08 × 22,546.17
  4. Step 4: Simplify right side
    66,920.63x = 2,263,547,087.01
  5. Step 5: Solve for x
    x = 2,263,547,087.01/66,920.63
  6. Step 6: Final answer
    x = 33,824.36

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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.