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Finding the Fourth Proportional to 8,698.58, 11,992.29 and 5,899.22

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Solution

The fourth proportional to 8,698.58, 11,992.29 and 5,899.22 is: 8,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,698.58 : 11,992.29 = 5,899.22 : x
  2. Step 2: Convert to fraction form
    8,698.58/11,992.29 = 5,899.22/x
  3. Step 3: Cross multiply
    8,698.58x = 11,992.29 × 5,899.22
  4. Step 4: Simplify right side
    8,698.58x = 70,745,157.01
  5. Step 5: Solve for x
    x = 70,745,157.01/8,698.58
  6. Step 6: Final answer
    x = 8,132.95

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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.