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Finding the Fourth Proportional to 11,115.01, 16,654.02 and 7,822.23

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Solution

The fourth proportional to 11,115.01, 16,654.02 and 7,822.23 is: 11,720.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,115.01 : 16,654.02 = 7,822.23 : x
  2. Step 2: Convert to fraction form
    11,115.01/16,654.02 = 7,822.23/x
  3. Step 3: Cross multiply
    11,115.01x = 16,654.02 × 7,822.23
  4. Step 4: Simplify right side
    11,115.01x = 130,271,574.86
  5. Step 5: Solve for x
    x = 130,271,574.86/11,115.01
  6. Step 6: Final answer
    x = 11,720.33

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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.