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Finding the Fourth Proportional to 5,352.55, 8,030.04 and 2,887.31

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Solution

The fourth proportional to 5,352.55, 8,030.04 and 2,887.31 is: 4,331.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.55 : 8,030.04 = 2,887.31 : x
  2. Step 2: Convert to fraction form
    5,352.55/8,030.04 = 2,887.31/x
  3. Step 3: Cross multiply
    5,352.55x = 8,030.04 × 2,887.31
  4. Step 4: Simplify right side
    5,352.55x = 23,185,234.87
  5. Step 5: Solve for x
    x = 23,185,234.87/5,352.55
  6. Step 6: Final answer
    x = 4,331.63

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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.