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Finding the Fourth Proportional to 62,773.98, 86,643.03 and 35,931.99

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Solution

The fourth proportional to 62,773.98, 86,643.03 and 35,931.99 is: 49,594.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,773.98 : 86,643.03 = 35,931.99 : x
  2. Step 2: Convert to fraction form
    62,773.98/86,643.03 = 35,931.99/x
  3. Step 3: Cross multiply
    62,773.98x = 86,643.03 × 35,931.99
  4. Step 4: Simplify right side
    62,773.98x = 3,113,256,487.53
  5. Step 5: Solve for x
    x = 3,113,256,487.53/62,773.98
  6. Step 6: Final answer
    x = 49,594.70

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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.