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Finding the Fourth Proportional to 71,368.44, 98,484.57 and 39,535.44

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Solution

The fourth proportional to 71,368.44, 98,484.57 and 39,535.44 is: 54,556.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,368.44 : 98,484.57 = 39,535.44 : x
  2. Step 2: Convert to fraction form
    71,368.44/98,484.57 = 39,535.44/x
  3. Step 3: Cross multiply
    71,368.44x = 98,484.57 × 39,535.44
  4. Step 4: Simplify right side
    71,368.44x = 3,893,630,808.16
  5. Step 5: Solve for x
    x = 3,893,630,808.16/71,368.44
  6. Step 6: Final answer
    x = 54,556.76

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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.