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Finding the Fourth Proportional to 4,462.74, 6,646.97 and 4,228.56

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Solution

The fourth proportional to 4,462.74, 6,646.97 and 4,228.56 is: 6,298.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,462.74 : 6,646.97 = 4,228.56 : x
  2. Step 2: Convert to fraction form
    4,462.74/6,646.97 = 4,228.56/x
  3. Step 3: Cross multiply
    4,462.74x = 6,646.97 × 4,228.56
  4. Step 4: Simplify right side
    4,462.74x = 28,107,111.46
  5. Step 5: Solve for x
    x = 28,107,111.46/4,462.74
  6. Step 6: Final answer
    x = 6,298.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.