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Finding the Fourth Proportional to 6,482.70, 8,945.91 and 3,650.13

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Solution

The fourth proportional to 6,482.70, 8,945.91 and 3,650.13 is: 5,037.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,482.70 : 8,945.91 = 3,650.13 : x
  2. Step 2: Convert to fraction form
    6,482.70/8,945.91 = 3,650.13/x
  3. Step 3: Cross multiply
    6,482.70x = 8,945.91 × 3,650.13
  4. Step 4: Simplify right side
    6,482.70x = 32,653,734.47
  5. Step 5: Solve for x
    x = 32,653,734.47/6,482.70
  6. Step 6: Final answer
    x = 5,037.06

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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.