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Finding the Fourth Proportional to 65,807.93, 90,814.68 and 35,593.29

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Solution

The fourth proportional to 65,807.93, 90,814.68 and 35,593.29 is: 49,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,807.93 : 90,814.68 = 35,593.29 : x
  2. Step 2: Convert to fraction form
    65,807.93/90,814.68 = 35,593.29/x
  3. Step 3: Cross multiply
    65,807.93x = 90,814.68 × 35,593.29
  4. Step 4: Simplify right side
    65,807.93x = 3,232,393,241.50
  5. Step 5: Solve for x
    x = 3,232,393,241.50/65,807.93
  6. Step 6: Final answer
    x = 49,118.60

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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.