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Finding the Fourth Proportional to 62,102.88, 85,512.15 and 46,811.64

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Solution

The fourth proportional to 62,102.88, 85,512.15 and 46,811.64 is: 64,456.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,102.88 : 85,512.15 = 46,811.64 : x
  2. Step 2: Convert to fraction form
    62,102.88/85,512.15 = 46,811.64/x
  3. Step 3: Cross multiply
    62,102.88x = 85,512.15 × 46,811.64
  4. Step 4: Simplify right side
    62,102.88x = 4,002,963,981.43
  5. Step 5: Solve for x
    x = 4,002,963,981.43/62,102.88
  6. Step 6: Final answer
    x = 64,456.98

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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.