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Finding the Fourth Proportional to 65,593.32, 90,518.32 and 37,299

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Solution

The fourth proportional to 65,593.32, 90,518.32 and 37,299 is: 51,472.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.32 : 90,518.32 = 37,299 : x
  2. Step 2: Convert to fraction form
    65,593.32/90,518.32 = 37,299/x
  3. Step 3: Cross multiply
    65,593.32x = 90,518.32 × 37,299
  4. Step 4: Simplify right side
    65,593.32x = 3,376,242,817.68
  5. Step 5: Solve for x
    x = 3,376,242,817.68/65,593.32
  6. Step 6: Final answer
    x = 51,472.36

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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.