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Finding the Fourth Proportional to 51,484.92, 77,081.77 and 32,718.43

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Solution

The fourth proportional to 51,484.92, 77,081.77 and 32,718.43 is: 48,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,484.92 : 77,081.77 = 32,718.43 : x
  2. Step 2: Convert to fraction form
    51,484.92/77,081.77 = 32,718.43/x
  3. Step 3: Cross multiply
    51,484.92x = 77,081.77 × 32,718.43
  4. Step 4: Simplify right side
    51,484.92x = 2,521,994,496.02
  5. Step 5: Solve for x
    x = 2,521,994,496.02/51,484.92
  6. Step 6: Final answer
    x = 48,985.11

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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.