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Finding the Fourth Proportional to 5,801.98, 8,689.05 and 3,329.32

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Solution

The fourth proportional to 5,801.98, 8,689.05 and 3,329.32 is: 4,985.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,801.98 : 8,689.05 = 3,329.32 : x
  2. Step 2: Convert to fraction form
    5,801.98/8,689.05 = 3,329.32/x
  3. Step 3: Cross multiply
    5,801.98x = 8,689.05 × 3,329.32
  4. Step 4: Simplify right side
    5,801.98x = 28,928,627.95
  5. Step 5: Solve for x
    x = 28,928,627.95/5,801.98
  6. Step 6: Final answer
    x = 4,985.99

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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.