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Finding the Fourth Proportional to 26,589.08, 39,888 and 9,954.92

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Solution

The fourth proportional to 26,589.08, 39,888 and 9,954.92 is: 14,934.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,589.08 : 39,888 = 9,954.92 : x
  2. Step 2: Convert to fraction form
    26,589.08/39,888 = 9,954.92/x
  3. Step 3: Cross multiply
    26,589.08x = 39,888 × 9,954.92
  4. Step 4: Simplify right side
    26,589.08x = 397,081,848.96
  5. Step 5: Solve for x
    x = 397,081,848.96/26,589.08
  6. Step 6: Final answer
    x = 14,934.02

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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.