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Finding the Fourth Proportional to 3,228.65, 4,837.13 and 1,475.13

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Solution

The fourth proportional to 3,228.65, 4,837.13 and 1,475.13 is: 2,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.65 : 4,837.13 = 1,475.13 : x
  2. Step 2: Convert to fraction form
    3,228.65/4,837.13 = 1,475.13/x
  3. Step 3: Cross multiply
    3,228.65x = 4,837.13 × 1,475.13
  4. Step 4: Simplify right side
    3,228.65x = 7,135,395.58
  5. Step 5: Solve for x
    x = 7,135,395.58/3,228.65
  6. Step 6: Final answer
    x = 2,210.02

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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.