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Finding the Fourth Proportional to 40,203, 60,314.22 and 12,501

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Solution

The fourth proportional to 40,203, 60,314.22 and 12,501 is: 18,754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,203 : 60,314.22 = 12,501 : x
  2. Step 2: Convert to fraction form
    40,203/60,314.22 = 12,501/x
  3. Step 3: Cross multiply
    40,203x = 60,314.22 × 12,501
  4. Step 4: Simplify right side
    40,203x = 753,988,064.22
  5. Step 5: Solve for x
    x = 753,988,064.22/40,203
  6. Step 6: Final answer
    x = 18,754.52

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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.