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Finding the Fourth Proportional to 4,572.84, 6,303.78 and 3,942.12

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Solution

The fourth proportional to 4,572.84, 6,303.78 and 3,942.12 is: 5,434.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,572.84 : 6,303.78 = 3,942.12 : x
  2. Step 2: Convert to fraction form
    4,572.84/6,303.78 = 3,942.12/x
  3. Step 3: Cross multiply
    4,572.84x = 6,303.78 × 3,942.12
  4. Step 4: Simplify right side
    4,572.84x = 24,850,257.21
  5. Step 5: Solve for x
    x = 24,850,257.21/4,572.84
  6. Step 6: Final answer
    x = 5,434.32

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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.