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Finding the Fourth Proportional to 67,675.59, 93,395.52 and 38,999.52

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Solution

The fourth proportional to 67,675.59, 93,395.52 and 38,999.52 is: 53,821.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.59 : 93,395.52 = 38,999.52 : x
  2. Step 2: Convert to fraction form
    67,675.59/93,395.52 = 38,999.52/x
  3. Step 3: Cross multiply
    67,675.59x = 93,395.52 × 38,999.52
  4. Step 4: Simplify right side
    67,675.59x = 3,642,380,450.15
  5. Step 5: Solve for x
    x = 3,642,380,450.15/67,675.59
  6. Step 6: Final answer
    x = 53,821.19

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1.5x scale

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.