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Finding the Fourth Proportional to 63,129.04, 94,706.52 and 18,751.84

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Solution

The fourth proportional to 63,129.04, 94,706.52 and 18,751.84 is: 28,131.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,129.04 : 94,706.52 = 18,751.84 : x
  2. Step 2: Convert to fraction form
    63,129.04/94,706.52 = 18,751.84/x
  3. Step 3: Cross multiply
    63,129.04x = 94,706.52 × 18,751.84
  4. Step 4: Simplify right side
    63,129.04x = 1,775,921,510.00
  5. Step 5: Solve for x
    x = 1,775,921,510.00/63,129.04
  6. Step 6: Final answer
    x = 28,131.61

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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.