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Finding the Fourth Proportional to 5,887.05, 8,825.09 and 1,988.73

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Solution

The fourth proportional to 5,887.05, 8,825.09 and 1,988.73 is: 2,981.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.05 : 8,825.09 = 1,988.73 : x
  2. Step 2: Convert to fraction form
    5,887.05/8,825.09 = 1,988.73/x
  3. Step 3: Cross multiply
    5,887.05x = 8,825.09 × 1,988.73
  4. Step 4: Simplify right side
    5,887.05x = 17,550,711.29
  5. Step 5: Solve for x
    x = 17,550,711.29/5,887.05
  6. Step 6: Final answer
    x = 2,981.24

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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.