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Finding the Fourth Proportional to 64,517.84, 88,850.28 and 58,089.68

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Solution

The fourth proportional to 64,517.84, 88,850.28 and 58,089.68 is: 79,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,517.84 : 88,850.28 = 58,089.68 : x
  2. Step 2: Convert to fraction form
    64,517.84/88,850.28 = 58,089.68/x
  3. Step 3: Cross multiply
    64,517.84x = 88,850.28 × 58,089.68
  4. Step 4: Simplify right side
    64,517.84x = 5,161,284,333.11
  5. Step 5: Solve for x
    x = 5,161,284,333.11/64,517.84
  6. Step 6: Final answer
    x = 79,997.79

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1.5x scale

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.