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Finding the Fourth Proportional to 68,606.92, 94,676.88 and 38,392.30

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Solution

The fourth proportional to 68,606.92, 94,676.88 and 38,392.30 is: 52,981.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,606.92 : 94,676.88 = 38,392.30 : x
  2. Step 2: Convert to fraction form
    68,606.92/94,676.88 = 38,392.30/x
  3. Step 3: Cross multiply
    68,606.92x = 94,676.88 × 38,392.30
  4. Step 4: Simplify right side
    68,606.92x = 3,634,863,180.02
  5. Step 5: Solve for x
    x = 3,634,863,180.02/68,606.92
  6. Step 6: Final answer
    x = 52,981.00

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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.