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Finding the Fourth Proportional to 63,302.74, 87,463.06 and 49,976.01

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Solution

The fourth proportional to 63,302.74, 87,463.06 and 49,976.01 is: 69,050.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,302.74 : 87,463.06 = 49,976.01 : x
  2. Step 2: Convert to fraction form
    63,302.74/87,463.06 = 49,976.01/x
  3. Step 3: Cross multiply
    63,302.74x = 87,463.06 × 49,976.01
  4. Step 4: Simplify right side
    63,302.74x = 4,371,054,636.25
  5. Step 5: Solve for x
    x = 4,371,054,636.25/63,302.74
  6. Step 6: Final answer
    x = 69,050.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.