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Finding the Fourth Proportional to 66,047.10, 99,092.52 and 26,583.90

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Solution

The fourth proportional to 66,047.10, 99,092.52 and 26,583.90 is: 39,884.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,047.10 : 99,092.52 = 26,583.90 : x
  2. Step 2: Convert to fraction form
    66,047.10/99,092.52 = 26,583.90/x
  3. Step 3: Cross multiply
    66,047.10x = 99,092.52 × 26,583.90
  4. Step 4: Simplify right side
    66,047.10x = 2,634,265,642.43
  5. Step 5: Solve for x
    x = 2,634,265,642.43/66,047.10
  6. Step 6: Final answer
    x = 39,884.65

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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.