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Finding the Fourth Proportional to 32,991.32, 49,487.03 and 8,031.38

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Solution

The fourth proportional to 32,991.32, 49,487.03 and 8,031.38 is: 12,047.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,991.32 : 49,487.03 = 8,031.38 : x
  2. Step 2: Convert to fraction form
    32,991.32/49,487.03 = 8,031.38/x
  3. Step 3: Cross multiply
    32,991.32x = 49,487.03 × 8,031.38
  4. Step 4: Simplify right side
    32,991.32x = 397,448,885.53
  5. Step 5: Solve for x
    x = 397,448,885.53/32,991.32
  6. Step 6: Final answer
    x = 12,047.07

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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.