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Finding the Fourth Proportional to 73,067.60, 109,601.40 and 17,663.60

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Solution

The fourth proportional to 73,067.60, 109,601.40 and 17,663.60 is: 26,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,067.60 : 109,601.40 = 17,663.60 : x
  2. Step 2: Convert to fraction form
    73,067.60/109,601.40 = 17,663.60/x
  3. Step 3: Cross multiply
    73,067.60x = 109,601.40 × 17,663.60
  4. Step 4: Simplify right side
    73,067.60x = 1,935,955,289.04
  5. Step 5: Solve for x
    x = 1,935,955,289.04/73,067.60
  6. Step 6: Final answer
    x = 26,495.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.