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Finding the Fourth Proportional to 40,436.56, 60,661.04 and 12,350.08

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Solution

The fourth proportional to 40,436.56, 60,661.04 and 12,350.08 is: 18,527.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,436.56 : 60,661.04 = 12,350.08 : x
  2. Step 2: Convert to fraction form
    40,436.56/60,661.04 = 12,350.08/x
  3. Step 3: Cross multiply
    40,436.56x = 60,661.04 × 12,350.08
  4. Step 4: Simplify right side
    40,436.56x = 749,168,696.88
  5. Step 5: Solve for x
    x = 749,168,696.88/40,436.56
  6. Step 6: Final answer
    x = 18,527.01

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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.