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Finding the Fourth Proportional to 44,816.48, 61,740.48 and 31,364

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Solution

The fourth proportional to 44,816.48, 61,740.48 and 31,364 is: 43,207.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,816.48 : 61,740.48 = 31,364 : x
  2. Step 2: Convert to fraction form
    44,816.48/61,740.48 = 31,364/x
  3. Step 3: Cross multiply
    44,816.48x = 61,740.48 × 31,364
  4. Step 4: Simplify right side
    44,816.48x = 1,936,428,414.72
  5. Step 5: Solve for x
    x = 1,936,428,414.72/44,816.48
  6. Step 6: Final answer
    x = 43,207.95

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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.