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Finding the Fourth Proportional to 5,988.48, 8,987.36 and 3,066.56

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Solution

The fourth proportional to 5,988.48, 8,987.36 and 3,066.56 is: 4,602.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.48 : 8,987.36 = 3,066.56 : x
  2. Step 2: Convert to fraction form
    5,988.48/8,987.36 = 3,066.56/x
  3. Step 3: Cross multiply
    5,988.48x = 8,987.36 × 3,066.56
  4. Step 4: Simplify right side
    5,988.48x = 27,560,278.68
  5. Step 5: Solve for x
    x = 27,560,278.68/5,988.48
  6. Step 6: Final answer
    x = 4,602.22

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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.