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Finding the Fourth Proportional to 19,402.14, 29,103.18 and 5,551.14

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Solution

The fourth proportional to 19,402.14, 29,103.18 and 5,551.14 is: 8,326.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,402.14 : 29,103.18 = 5,551.14 : x
  2. Step 2: Convert to fraction form
    19,402.14/29,103.18 = 5,551.14/x
  3. Step 3: Cross multiply
    19,402.14x = 29,103.18 × 5,551.14
  4. Step 4: Simplify right side
    19,402.14x = 161,555,826.63
  5. Step 5: Solve for x
    x = 161,555,826.63/19,402.14
  6. Step 6: Final answer
    x = 8,326.70

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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.