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Finding the Fourth Proportional to 32,608.61, 48,919.93 and 10,118.82

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Solution

The fourth proportional to 32,608.61, 48,919.93 and 10,118.82 is: 15,180.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,608.61 : 48,919.93 = 10,118.82 : x
  2. Step 2: Convert to fraction form
    32,608.61/48,919.93 = 10,118.82/x
  3. Step 3: Cross multiply
    32,608.61x = 48,919.93 × 10,118.82
  4. Step 4: Simplify right side
    32,608.61x = 495,011,966.08
  5. Step 5: Solve for x
    x = 495,011,966.08/32,608.61
  6. Step 6: Final answer
    x = 15,180.41

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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.