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Finding the Fourth Proportional to 68,470.84, 94,489.50 and 38,258.92

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Solution

The fourth proportional to 68,470.84, 94,489.50 and 38,258.92 is: 52,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,470.84 : 94,489.50 = 38,258.92 : x
  2. Step 2: Convert to fraction form
    68,470.84/94,489.50 = 38,258.92/x
  3. Step 3: Cross multiply
    68,470.84x = 94,489.50 × 38,258.92
  4. Step 4: Simplify right side
    68,470.84x = 3,615,066,221.34
  5. Step 5: Solve for x
    x = 3,615,066,221.34/68,470.84
  6. Step 6: Final answer
    x = 52,797.16

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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.