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Finding the Fourth Proportional to 19,560.22, 26,992.92 and 10,607.92

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Solution

The fourth proportional to 19,560.22, 26,992.92 and 10,607.92 is: 14,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,560.22 : 26,992.92 = 10,607.92 : x
  2. Step 2: Convert to fraction form
    19,560.22/26,992.92 = 10,607.92/x
  3. Step 3: Cross multiply
    19,560.22x = 26,992.92 × 10,607.92
  4. Step 4: Simplify right side
    19,560.22x = 286,338,735.93
  5. Step 5: Solve for x
    x = 286,338,735.93/19,560.22
  6. Step 6: Final answer
    x = 14,638.83

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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.