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Finding the Fourth Proportional to 48,487.64, 66,905.13 and 27,265.64

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Solution

The fourth proportional to 48,487.64, 66,905.13 and 27,265.64 is: 37,622.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,487.64 : 66,905.13 = 27,265.64 : x
  2. Step 2: Convert to fraction form
    48,487.64/66,905.13 = 27,265.64/x
  3. Step 3: Cross multiply
    48,487.64x = 66,905.13 × 27,265.64
  4. Step 4: Simplify right side
    48,487.64x = 1,824,210,854.21
  5. Step 5: Solve for x
    x = 1,824,210,854.21/48,487.64
  6. Step 6: Final answer
    x = 37,622.19

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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.