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Finding the Fourth Proportional to 12,460.41, 18,661.46 and 9,343.53

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Solution

The fourth proportional to 12,460.41, 18,661.46 and 9,343.53 is: 13,993.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.41 : 18,661.46 = 9,343.53 : x
  2. Step 2: Convert to fraction form
    12,460.41/18,661.46 = 9,343.53/x
  3. Step 3: Cross multiply
    12,460.41x = 18,661.46 × 9,343.53
  4. Step 4: Simplify right side
    12,460.41x = 174,363,864.64
  5. Step 5: Solve for x
    x = 174,363,864.64/12,460.41
  6. Step 6: Final answer
    x = 13,993.43

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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.