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Finding the Fourth Proportional to 66,040.88, 99,060.28 and 26,596.96

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Solution

The fourth proportional to 66,040.88, 99,060.28 and 26,596.96 is: 39,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,040.88 : 99,060.28 = 26,596.96 : x
  2. Step 2: Convert to fraction form
    66,040.88/99,060.28 = 26,596.96/x
  3. Step 3: Cross multiply
    66,040.88x = 99,060.28 × 26,596.96
  4. Step 4: Simplify right side
    66,040.88x = 2,634,702,304.75
  5. Step 5: Solve for x
    x = 2,634,702,304.75/66,040.88
  6. Step 6: Final answer
    x = 39,895.02

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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.