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Finding the Fourth Proportional to 48,802.82, 73,064.78 and 45,702.77

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Solution

The fourth proportional to 48,802.82, 73,064.78 and 45,702.77 is: 68,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,802.82 : 73,064.78 = 45,702.77 : x
  2. Step 2: Convert to fraction form
    48,802.82/73,064.78 = 45,702.77/x
  3. Step 3: Cross multiply
    48,802.82x = 73,064.78 × 45,702.77
  4. Step 4: Simplify right side
    48,802.82x = 3,339,262,606.93
  5. Step 5: Solve for x
    x = 3,339,262,606.93/48,802.82
  6. Step 6: Final answer
    x = 68,423.56

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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.