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Finding the Fourth Proportional to 68,562.45, 94,619.19 and 38,347.68

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Solution

The fourth proportional to 68,562.45, 94,619.19 and 38,347.68 is: 52,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,562.45 : 94,619.19 = 38,347.68 : x
  2. Step 2: Convert to fraction form
    68,562.45/94,619.19 = 38,347.68/x
  3. Step 3: Cross multiply
    68,562.45x = 94,619.19 × 38,347.68
  4. Step 4: Simplify right side
    68,562.45x = 3,628,426,170.67
  5. Step 5: Solve for x
    x = 3,628,426,170.67/68,562.45
  6. Step 6: Final answer
    x = 52,921.48

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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.