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Finding the Fourth Proportional to 26,958.83, 40,443.03 and 9,188.55

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Solution

The fourth proportional to 26,958.83, 40,443.03 and 9,188.55 is: 13,784.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,958.83 : 40,443.03 = 9,188.55 : x
  2. Step 2: Convert to fraction form
    26,958.83/40,443.03 = 9,188.55/x
  3. Step 3: Cross multiply
    26,958.83x = 40,443.03 × 9,188.55
  4. Step 4: Simplify right side
    26,958.83x = 371,612,803.31
  5. Step 5: Solve for x
    x = 371,612,803.31/26,958.83
  6. Step 6: Final answer
    x = 13,784.46

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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.