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Finding the Fourth Proportional to 44,392.72, 66,490.36 and 40,935.48

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Solution

The fourth proportional to 44,392.72, 66,490.36 and 40,935.48 is: 61,312.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,392.72 : 66,490.36 = 40,935.48 : x
  2. Step 2: Convert to fraction form
    44,392.72/66,490.36 = 40,935.48/x
  3. Step 3: Cross multiply
    44,392.72x = 66,490.36 × 40,935.48
  4. Step 4: Simplify right side
    44,392.72x = 2,721,814,801.97
  5. Step 5: Solve for x
    x = 2,721,814,801.97/44,392.72
  6. Step 6: Final answer
    x = 61,312.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.