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Finding the Fourth Proportional to 62,188.90, 85,821.93 and 33,894.59

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Solution

The fourth proportional to 62,188.90, 85,821.93 and 33,894.59 is: 46,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,188.90 : 85,821.93 = 33,894.59 : x
  2. Step 2: Convert to fraction form
    62,188.90/85,821.93 = 33,894.59/x
  3. Step 3: Cross multiply
    62,188.90x = 85,821.93 × 33,894.59
  4. Step 4: Simplify right side
    62,188.90x = 2,908,898,701.25
  5. Step 5: Solve for x
    x = 2,908,898,701.25/62,188.90
  6. Step 6: Final answer
    x = 46,775.21

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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.