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Finding the Fourth Proportional to 73,053.32, 109,580.12 and 17,649.32

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Solution

The fourth proportional to 73,053.32, 109,580.12 and 17,649.32 is: 26,474.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,053.32 : 109,580.12 = 17,649.32 : x
  2. Step 2: Convert to fraction form
    73,053.32/109,580.12 = 17,649.32/x
  3. Step 3: Cross multiply
    73,053.32x = 109,580.12 × 17,649.32
  4. Step 4: Simplify right side
    73,053.32x = 1,934,014,603.52
  5. Step 5: Solve for x
    x = 1,934,014,603.52/73,053.32
  6. Step 6: Final answer
    x = 26,474.01

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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.