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Finding the Fourth Proportional to 63,810.89, 95,730.17 and 19,436.48

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Solution

The fourth proportional to 63,810.89, 95,730.17 and 19,436.48 is: 29,158.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,810.89 : 95,730.17 = 19,436.48 : x
  2. Step 2: Convert to fraction form
    63,810.89/95,730.17 = 19,436.48/x
  3. Step 3: Cross multiply
    63,810.89x = 95,730.17 × 19,436.48
  4. Step 4: Simplify right side
    63,810.89x = 1,860,656,958.77
  5. Step 5: Solve for x
    x = 1,860,656,958.77/63,810.89
  6. Step 6: Final answer
    x = 29,158.93

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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.