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Finding the Fourth Proportional to 66,006.90, 98,998.20 and 41,002.20

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Solution

The fourth proportional to 66,006.90, 98,998.20 and 41,002.20 is: 61,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,006.90 : 98,998.20 = 41,002.20 : x
  2. Step 2: Convert to fraction form
    66,006.90/98,998.20 = 41,002.20/x
  3. Step 3: Cross multiply
    66,006.90x = 98,998.20 × 41,002.20
  4. Step 4: Simplify right side
    66,006.90x = 4,059,143,996.04
  5. Step 5: Solve for x
    x = 4,059,143,996.04/66,006.90
  6. Step 6: Final answer
    x = 61,495.75

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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.