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Finding the Fourth Proportional to 37,127, 55,699.26 and 12,503

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Solution

The fourth proportional to 37,127, 55,699.26 and 12,503 is: 18,757.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,127 : 55,699.26 = 12,503 : x
  2. Step 2: Convert to fraction form
    37,127/55,699.26 = 12,503/x
  3. Step 3: Cross multiply
    37,127x = 55,699.26 × 12,503
  4. Step 4: Simplify right side
    37,127x = 696,407,847.78
  5. Step 5: Solve for x
    x = 696,407,847.78/37,127
  6. Step 6: Final answer
    x = 18,757.45

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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.