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Finding the Fourth Proportional to 12,367.88, 18,542.06 and 6,130.04

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Solution

The fourth proportional to 12,367.88, 18,542.06 and 6,130.04 is: 9,190.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,367.88 : 18,542.06 = 6,130.04 : x
  2. Step 2: Convert to fraction form
    12,367.88/18,542.06 = 6,130.04/x
  3. Step 3: Cross multiply
    12,367.88x = 18,542.06 × 6,130.04
  4. Step 4: Simplify right side
    12,367.88x = 113,663,569.48
  5. Step 5: Solve for x
    x = 113,663,569.48/12,367.88
  6. Step 6: Final answer
    x = 9,190.22

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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.