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Finding the Fourth Proportional to 32,911.74, 49,374.86 and 15,372

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Solution

The fourth proportional to 32,911.74, 49,374.86 and 15,372 is: 23,061.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,911.74 : 49,374.86 = 15,372 : x
  2. Step 2: Convert to fraction form
    32,911.74/49,374.86 = 15,372/x
  3. Step 3: Cross multiply
    32,911.74x = 49,374.86 × 15,372
  4. Step 4: Simplify right side
    32,911.74x = 758,990,347.92
  5. Step 5: Solve for x
    x = 758,990,347.92/32,911.74
  6. Step 6: Final answer
    x = 23,061.39

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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.