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Finding the Fourth Proportional to 40,506.57, 60,741.01 and 12,419.41

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Solution

The fourth proportional to 40,506.57, 60,741.01 and 12,419.41 is: 18,623.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,506.57 : 60,741.01 = 12,419.41 : x
  2. Step 2: Convert to fraction form
    40,506.57/60,741.01 = 12,419.41/x
  3. Step 3: Cross multiply
    40,506.57x = 60,741.01 × 12,419.41
  4. Step 4: Simplify right side
    40,506.57x = 754,367,507.00
  5. Step 5: Solve for x
    x = 754,367,507.00/40,506.57
  6. Step 6: Final answer
    x = 18,623.34

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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.