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Finding the Fourth Proportional to 37,323, 55,987.74 and 9,621

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Solution

The fourth proportional to 37,323, 55,987.74 and 9,621 is: 14,432.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,323 : 55,987.74 = 9,621 : x
  2. Step 2: Convert to fraction form
    37,323/55,987.74 = 9,621/x
  3. Step 3: Cross multiply
    37,323x = 55,987.74 × 9,621
  4. Step 4: Simplify right side
    37,323x = 538,658,046.54
  5. Step 5: Solve for x
    x = 538,658,046.54/37,323
  6. Step 6: Final answer
    x = 14,432.34

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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.