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Finding the Fourth Proportional to 16,994.31, 23,393.93 and 14,742.93

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Solution

The fourth proportional to 16,994.31, 23,393.93 and 14,742.93 is: 20,294.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,994.31 : 23,393.93 = 14,742.93 : x
  2. Step 2: Convert to fraction form
    16,994.31/23,393.93 = 14,742.93/x
  3. Step 3: Cross multiply
    16,994.31x = 23,393.93 × 14,742.93
  4. Step 4: Simplify right side
    16,994.31x = 344,894,998.70
  5. Step 5: Solve for x
    x = 344,894,998.70/16,994.31
  6. Step 6: Final answer
    x = 20,294.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.