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Finding the Fourth Proportional to 5,889.98, 8,129.36 and 3,499.49

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Solution

The fourth proportional to 5,889.98, 8,129.36 and 3,499.49 is: 4,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,889.98 : 8,129.36 = 3,499.49 : x
  2. Step 2: Convert to fraction form
    5,889.98/8,129.36 = 3,499.49/x
  3. Step 3: Cross multiply
    5,889.98x = 8,129.36 × 3,499.49
  4. Step 4: Simplify right side
    5,889.98x = 28,448,631.04
  5. Step 5: Solve for x
    x = 28,448,631.04/5,889.98
  6. Step 6: Final answer
    x = 4,830.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.