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Finding the Fourth Proportional to 5,987.69, 8,981.54 and 1,883.69

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Solution

The fourth proportional to 5,987.69, 8,981.54 and 1,883.69 is: 2,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.69 : 8,981.54 = 1,883.69 : x
  2. Step 2: Convert to fraction form
    5,987.69/8,981.54 = 1,883.69/x
  3. Step 3: Cross multiply
    5,987.69x = 8,981.54 × 1,883.69
  4. Step 4: Simplify right side
    5,987.69x = 16,918,437.08
  5. Step 5: Solve for x
    x = 16,918,437.08/5,987.69
  6. Step 6: Final answer
    x = 2,825.54

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Similar ratio
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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.