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Finding the Fourth Proportional to 4,359.88, 6,543.90 and 2,169.64

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Solution

The fourth proportional to 4,359.88, 6,543.90 and 2,169.64 is: 3,256.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.88 : 6,543.90 = 2,169.64 : x
  2. Step 2: Convert to fraction form
    4,359.88/6,543.90 = 2,169.64/x
  3. Step 3: Cross multiply
    4,359.88x = 6,543.90 × 2,169.64
  4. Step 4: Simplify right side
    4,359.88x = 14,197,907.20
  5. Step 5: Solve for x
    x = 14,197,907.20/4,359.88
  6. Step 6: Final answer
    x = 3,256.49

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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.