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Finding the Fourth Proportional to 63,051.71, 87,006.09 and 36,188.51

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Solution

The fourth proportional to 63,051.71, 87,006.09 and 36,188.51 is: 49,937.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,051.71 : 87,006.09 = 36,188.51 : x
  2. Step 2: Convert to fraction form
    63,051.71/87,006.09 = 36,188.51/x
  3. Step 3: Cross multiply
    63,051.71x = 87,006.09 × 36,188.51
  4. Step 4: Simplify right side
    63,051.71x = 3,148,620,323.00
  5. Step 5: Solve for x
    x = 3,148,620,323.00/63,051.71
  6. Step 6: Final answer
    x = 49,937.12

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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.