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Finding the Fourth Proportional to 64,451.66, 88,941.96 and 35,769.66

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Solution

The fourth proportional to 64,451.66, 88,941.96 and 35,769.66 is: 49,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,451.66 : 88,941.96 = 35,769.66 : x
  2. Step 2: Convert to fraction form
    64,451.66/88,941.96 = 35,769.66/x
  3. Step 3: Cross multiply
    64,451.66x = 88,941.96 × 35,769.66
  4. Step 4: Simplify right side
    64,451.66x = 3,181,423,045.38
  5. Step 5: Solve for x
    x = 3,181,423,045.38/64,451.66
  6. Step 6: Final answer
    x = 49,361.38

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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.