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Finding the Fourth Proportional to 60,699.99, 83,766.75 and 35,207.43

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Solution

The fourth proportional to 60,699.99, 83,766.75 and 35,207.43 is: 48,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,699.99 : 83,766.75 = 35,207.43 : x
  2. Step 2: Convert to fraction form
    60,699.99/83,766.75 = 35,207.43/x
  3. Step 3: Cross multiply
    60,699.99x = 83,766.75 × 35,207.43
  4. Step 4: Simplify right side
    60,699.99x = 2,949,211,986.95
  5. Step 5: Solve for x
    x = 2,949,211,986.95/60,699.99
  6. Step 6: Final answer
    x = 48,586.70

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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.