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Finding the Fourth Proportional to 64,026.62, 88,356.75 and 35,731.70

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Solution

The fourth proportional to 64,026.62, 88,356.75 and 35,731.70 is: 49,309.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,026.62 : 88,356.75 = 35,731.70 : x
  2. Step 2: Convert to fraction form
    64,026.62/88,356.75 = 35,731.70/x
  3. Step 3: Cross multiply
    64,026.62x = 88,356.75 × 35,731.70
  4. Step 4: Simplify right side
    64,026.62x = 3,157,136,883.98
  5. Step 5: Solve for x
    x = 3,157,136,883.98/64,026.62
  6. Step 6: Final answer
    x = 49,309.75

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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.