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Finding the Fourth Proportional to 27,339.71, 40,994.98 and 14,159.39

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Solution

The fourth proportional to 27,339.71, 40,994.98 and 14,159.39 is: 21,231.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,339.71 : 40,994.98 = 14,159.39 : x
  2. Step 2: Convert to fraction form
    27,339.71/40,994.98 = 14,159.39/x
  3. Step 3: Cross multiply
    27,339.71x = 40,994.98 × 14,159.39
  4. Step 4: Simplify right side
    27,339.71x = 580,463,634.09
  5. Step 5: Solve for x
    x = 580,463,634.09/27,339.71
  6. Step 6: Final answer
    x = 21,231.53

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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.