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Finding the Fourth Proportional to 53,592.74, 73,957.40 and 29,719.20

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Solution

The fourth proportional to 53,592.74, 73,957.40 and 29,719.20 is: 41,012.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,592.74 : 73,957.40 = 29,719.20 : x
  2. Step 2: Convert to fraction form
    53,592.74/73,957.40 = 29,719.20/x
  3. Step 3: Cross multiply
    53,592.74x = 73,957.40 × 29,719.20
  4. Step 4: Simplify right side
    53,592.74x = 2,197,955,169.44
  5. Step 5: Solve for x
    x = 2,197,955,169.44/53,592.74
  6. Step 6: Final answer
    x = 41,012.18

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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.