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Finding the Fourth Proportional to 63,815.04, 95,657.76 and 40,396.32

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Solution

The fourth proportional to 63,815.04, 95,657.76 and 40,396.32 is: 60,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,815.04 : 95,657.76 = 40,396.32 : x
  2. Step 2: Convert to fraction form
    63,815.04/95,657.76 = 40,396.32/x
  3. Step 3: Cross multiply
    63,815.04x = 95,657.76 × 40,396.32
  4. Step 4: Simplify right side
    63,815.04x = 3,864,221,483.44
  5. Step 5: Solve for x
    x = 3,864,221,483.44/63,815.04
  6. Step 6: Final answer
    x = 60,553.46

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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.