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Finding the Fourth Proportional to 5,887.10, 8,827.81 and 3,422.63

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Solution

The fourth proportional to 5,887.10, 8,827.81 and 3,422.63 is: 5,132.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,887.10 : 8,827.81 = 3,422.63 : x
  2. Step 2: Convert to fraction form
    5,887.10/8,827.81 = 3,422.63/x
  3. Step 3: Cross multiply
    5,887.10x = 8,827.81 × 3,422.63
  4. Step 4: Simplify right side
    5,887.10x = 30,214,327.34
  5. Step 5: Solve for x
    x = 30,214,327.34/5,887.10
  6. Step 6: Final answer
    x = 5,132.29

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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.