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Finding the Fourth Proportional to 64,376.64, 88,827.84 and 41,426.64

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Solution

The fourth proportional to 64,376.64, 88,827.84 and 41,426.64 is: 57,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,376.64 : 88,827.84 = 41,426.64 : x
  2. Step 2: Convert to fraction form
    64,376.64/88,827.84 = 41,426.64/x
  3. Step 3: Cross multiply
    64,376.64x = 88,827.84 × 41,426.64
  4. Step 4: Simplify right side
    64,376.64x = 3,679,838,949.66
  5. Step 5: Solve for x
    x = 3,679,838,949.66/64,376.64
  6. Step 6: Final answer
    x = 57,161.09

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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.