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Finding the Fourth Proportional to 19,908.60, 29,841.92 and 10,027.12

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Solution

The fourth proportional to 19,908.60, 29,841.92 and 10,027.12 is: 15,030.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,908.60 : 29,841.92 = 10,027.12 : x
  2. Step 2: Convert to fraction form
    19,908.60/29,841.92 = 10,027.12/x
  3. Step 3: Cross multiply
    19,908.60x = 29,841.92 × 10,027.12
  4. Step 4: Simplify right side
    19,908.60x = 299,228,512.87
  5. Step 5: Solve for x
    x = 299,228,512.87/19,908.60
  6. Step 6: Final answer
    x = 15,030.11

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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.