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Finding the Fourth Proportional to 3,298.16, 4,550.16 and 1,900.64

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Solution

The fourth proportional to 3,298.16, 4,550.16 and 1,900.64 is: 2,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,298.16 : 4,550.16 = 1,900.64 : x
  2. Step 2: Convert to fraction form
    3,298.16/4,550.16 = 1,900.64/x
  3. Step 3: Cross multiply
    3,298.16x = 4,550.16 × 1,900.64
  4. Step 4: Simplify right side
    3,298.16x = 8,648,216.10
  5. Step 5: Solve for x
    x = 8,648,216.10/3,298.16
  6. Step 6: Final answer
    x = 2,622.13

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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.