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Finding the Fourth Proportional to 45,746.37, 68,643.05 and 34,649.37

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Solution

The fourth proportional to 45,746.37, 68,643.05 and 34,649.37 is: 51,991.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,746.37 : 68,643.05 = 34,649.37 : x
  2. Step 2: Convert to fraction form
    45,746.37/68,643.05 = 34,649.37/x
  3. Step 3: Cross multiply
    45,746.37x = 68,643.05 × 34,649.37
  4. Step 4: Simplify right side
    45,746.37x = 2,378,438,264.13
  5. Step 5: Solve for x
    x = 2,378,438,264.13/45,746.37
  6. Step 6: Final answer
    x = 51,991.85

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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.