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Finding the Fourth Proportional to 5,991.58, 8,988.13 and 3,214.45

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Solution

The fourth proportional to 5,991.58, 8,988.13 and 3,214.45 is: 4,822.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,991.58 : 8,988.13 = 3,214.45 : x
  2. Step 2: Convert to fraction form
    5,991.58/8,988.13 = 3,214.45/x
  3. Step 3: Cross multiply
    5,991.58x = 8,988.13 × 3,214.45
  4. Step 4: Simplify right side
    5,991.58x = 28,891,909.73
  5. Step 5: Solve for x
    x = 28,891,909.73/5,991.58
  6. Step 6: Final answer
    x = 4,822.08

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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.