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Finding the Fourth Proportional to 36,175.95, 54,263.93 and 31,801.95

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Solution

The fourth proportional to 36,175.95, 54,263.93 and 31,801.95 is: 47,702.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,175.95 : 54,263.93 = 31,801.95 : x
  2. Step 2: Convert to fraction form
    36,175.95/54,263.93 = 31,801.95/x
  3. Step 3: Cross multiply
    36,175.95x = 54,263.93 × 31,801.95
  4. Step 4: Simplify right side
    36,175.95x = 1,725,698,629.65
  5. Step 5: Solve for x
    x = 1,725,698,629.65/36,175.95
  6. Step 6: Final answer
    x = 47,702.93

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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.