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Finding the Fourth Proportional to 2,867.17, 4,300.21 and 1,018.21

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Solution

The fourth proportional to 2,867.17, 4,300.21 and 1,018.21 is: 1,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.17 : 4,300.21 = 1,018.21 : x
  2. Step 2: Convert to fraction form
    2,867.17/4,300.21 = 1,018.21/x
  3. Step 3: Cross multiply
    2,867.17x = 4,300.21 × 1,018.21
  4. Step 4: Simplify right side
    2,867.17x = 4,378,516.82
  5. Step 5: Solve for x
    x = 4,378,516.82/2,867.17
  6. Step 6: Final answer
    x = 1,527.12

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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.