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Finding the Fourth Proportional to 11,651.80, 17,477.60 and 6,973.10

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Solution

The fourth proportional to 11,651.80, 17,477.60 and 6,973.10 is: 10,459.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,651.80 : 17,477.60 = 6,973.10 : x
  2. Step 2: Convert to fraction form
    11,651.80/17,477.60 = 6,973.10/x
  3. Step 3: Cross multiply
    11,651.80x = 17,477.60 × 6,973.10
  4. Step 4: Simplify right side
    11,651.80x = 121,873,052.56
  5. Step 5: Solve for x
    x = 121,873,052.56/11,651.80
  6. Step 6: Final answer
    x = 10,459.59

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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.