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Finding the Fourth Proportional to 68,469.21, 94,486.86 and 38,259.74

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Solution

The fourth proportional to 68,469.21, 94,486.86 and 38,259.74 is: 52,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,469.21 : 94,486.86 = 38,259.74 : x
  2. Step 2: Convert to fraction form
    68,469.21/94,486.86 = 38,259.74/x
  3. Step 3: Cross multiply
    68,469.21x = 94,486.86 × 38,259.74
  4. Step 4: Simplify right side
    68,469.21x = 3,615,042,224.58
  5. Step 5: Solve for x
    x = 3,615,042,224.58/68,469.21
  6. Step 6: Final answer
    x = 52,798.07

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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.