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Finding the Fourth Proportional to 17,977.01, 26,969.05 and 5,498.81

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Solution

The fourth proportional to 17,977.01, 26,969.05 and 5,498.81 is: 8,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,977.01 : 26,969.05 = 5,498.81 : x
  2. Step 2: Convert to fraction form
    17,977.01/26,969.05 = 5,498.81/x
  3. Step 3: Cross multiply
    17,977.01x = 26,969.05 × 5,498.81
  4. Step 4: Simplify right side
    17,977.01x = 148,297,681.83
  5. Step 5: Solve for x
    x = 148,297,681.83/17,977.01
  6. Step 6: Final answer
    x = 8,249.30

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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.