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Finding the Fourth Proportional to 10,655.03, 15,992.39 and 5,393.73

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Solution

The fourth proportional to 10,655.03, 15,992.39 and 5,393.73 is: 8,095.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,655.03 : 15,992.39 = 5,393.73 : x
  2. Step 2: Convert to fraction form
    10,655.03/15,992.39 = 5,393.73/x
  3. Step 3: Cross multiply
    10,655.03x = 15,992.39 × 5,393.73
  4. Step 4: Simplify right side
    10,655.03x = 86,258,566.77
  5. Step 5: Solve for x
    x = 86,258,566.77/10,655.03
  6. Step 6: Final answer
    x = 8,095.58

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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.