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Finding the Fourth Proportional to 2,867.04, 4,302.14 and 1,406.20

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Solution

The fourth proportional to 2,867.04, 4,302.14 and 1,406.20 is: 2,110.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,867.04 : 4,302.14 = 1,406.20 : x
  2. Step 2: Convert to fraction form
    2,867.04/4,302.14 = 1,406.20/x
  3. Step 3: Cross multiply
    2,867.04x = 4,302.14 × 1,406.20
  4. Step 4: Simplify right side
    2,867.04x = 6,049,669.27
  5. Step 5: Solve for x
    x = 6,049,669.27/2,867.04
  6. Step 6: Final answer
    x = 2,110.07

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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.