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Finding the Fourth Proportional to 64,310.84, 88,748.96 and 35,632.36

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Solution

The fourth proportional to 64,310.84, 88,748.96 and 35,632.36 is: 49,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,310.84 : 88,748.96 = 35,632.36 : x
  2. Step 2: Convert to fraction form
    64,310.84/88,748.96 = 35,632.36/x
  3. Step 3: Cross multiply
    64,310.84x = 88,748.96 × 35,632.36
  4. Step 4: Simplify right side
    64,310.84x = 3,162,334,892.35
  5. Step 5: Solve for x
    x = 3,162,334,892.35/64,310.84
  6. Step 6: Final answer
    x = 49,172.66

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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.