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Finding the Fourth Proportional to 37,053.21, 55,579.80 and 9,351.21

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Solution

The fourth proportional to 37,053.21, 55,579.80 and 9,351.21 is: 14,026.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,053.21 : 55,579.80 = 9,351.21 : x
  2. Step 2: Convert to fraction form
    37,053.21/55,579.80 = 9,351.21/x
  3. Step 3: Cross multiply
    37,053.21x = 55,579.80 × 9,351.21
  4. Step 4: Simplify right side
    37,053.21x = 519,738,381.56
  5. Step 5: Solve for x
    x = 519,738,381.56/37,053.21
  6. Step 6: Final answer
    x = 14,026.81

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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.