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Finding the Fourth Proportional to 53,443.64, 73,748.66 and 29,568.62

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Solution

The fourth proportional to 53,443.64, 73,748.66 and 29,568.62 is: 40,802.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,443.64 : 73,748.66 = 29,568.62 : x
  2. Step 2: Convert to fraction form
    53,443.64/73,748.66 = 29,568.62/x
  3. Step 3: Cross multiply
    53,443.64x = 73,748.66 × 29,568.62
  4. Step 4: Simplify right side
    53,443.64x = 2,180,646,103.05
  5. Step 5: Solve for x
    x = 2,180,646,103.05/53,443.64
  6. Step 6: Final answer
    x = 40,802.72

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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.