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Finding the Fourth Proportional to 12,562.94, 18,844.97 and 4,242.22

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Solution

The fourth proportional to 12,562.94, 18,844.97 and 4,242.22 is: 6,363.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562.94 : 18,844.97 = 4,242.22 : x
  2. Step 2: Convert to fraction form
    12,562.94/18,844.97 = 4,242.22/x
  3. Step 3: Cross multiply
    12,562.94x = 18,844.97 × 4,242.22
  4. Step 4: Simplify right side
    12,562.94x = 79,944,508.63
  5. Step 5: Solve for x
    x = 79,944,508.63/12,562.94
  6. Step 6: Final answer
    x = 6,363.52

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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.