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Finding the Fourth Proportional to 63,103.94, 87,085.08 and 34,424.09

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Solution

The fourth proportional to 63,103.94, 87,085.08 and 34,424.09 is: 47,506.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,103.94 : 87,085.08 = 34,424.09 : x
  2. Step 2: Convert to fraction form
    63,103.94/87,085.08 = 34,424.09/x
  3. Step 3: Cross multiply
    63,103.94x = 87,085.08 × 34,424.09
  4. Step 4: Simplify right side
    63,103.94x = 2,997,824,631.58
  5. Step 5: Solve for x
    x = 2,997,824,631.58/63,103.94
  6. Step 6: Final answer
    x = 47,506.14

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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.