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Finding the Fourth Proportional to 53,551.73, 73,898.73 and 29,678.20

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Solution

The fourth proportional to 53,551.73, 73,898.73 and 29,678.20 is: 40,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,551.73 : 73,898.73 = 29,678.20 : x
  2. Step 2: Convert to fraction form
    53,551.73/73,898.73 = 29,678.20/x
  3. Step 3: Cross multiply
    53,551.73x = 73,898.73 × 29,678.20
  4. Step 4: Simplify right side
    53,551.73x = 2,193,181,103.94
  5. Step 5: Solve for x
    x = 2,193,181,103.94/53,551.73
  6. Step 6: Final answer
    x = 40,954.44

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1.5x scale

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.