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Finding the Fourth Proportional to 66,093.39, 99,152.78 and 26,654.49

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Solution

The fourth proportional to 66,093.39, 99,152.78 and 26,654.49 is: 39,986.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,093.39 : 99,152.78 = 26,654.49 : x
  2. Step 2: Convert to fraction form
    66,093.39/99,152.78 = 26,654.49/x
  3. Step 3: Cross multiply
    66,093.39x = 99,152.78 × 26,654.49
  4. Step 4: Simplify right side
    66,093.39x = 2,642,866,782.98
  5. Step 5: Solve for x
    x = 2,642,866,782.98/66,093.39
  6. Step 6: Final answer
    x = 39,986.85

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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.