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Finding the Fourth Proportional to 66,393.77, 99,590.38 and 26,950.55

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Solution

The fourth proportional to 66,393.77, 99,590.38 and 26,950.55 is: 40,425.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,393.77 : 99,590.38 = 26,950.55 : x
  2. Step 2: Convert to fraction form
    66,393.77/99,590.38 = 26,950.55/x
  3. Step 3: Cross multiply
    66,393.77x = 99,590.38 × 26,950.55
  4. Step 4: Simplify right side
    66,393.77x = 2,684,014,883.00
  5. Step 5: Solve for x
    x = 2,684,014,883.00/66,393.77
  6. Step 6: Final answer
    x = 40,425.71

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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.