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Finding the Fourth Proportional to 63,009.69, 86,953.11 and 34,329.27

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Solution

The fourth proportional to 63,009.69, 86,953.11 and 34,329.27 is: 47,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,009.69 : 86,953.11 = 34,329.27 : x
  2. Step 2: Convert to fraction form
    63,009.69/86,953.11 = 34,329.27/x
  3. Step 3: Cross multiply
    63,009.69x = 86,953.11 × 34,329.27
  4. Step 4: Simplify right side
    63,009.69x = 2,985,036,790.53
  5. Step 5: Solve for x
    x = 2,985,036,790.53/63,009.69
  6. Step 6: Final answer
    x = 47,374.25

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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.