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Finding the Fourth Proportional to 68,994.36, 95,213.06 and 38,777.92

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Solution

The fourth proportional to 68,994.36, 95,213.06 and 38,777.92 is: 53,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,994.36 : 95,213.06 = 38,777.92 : x
  2. Step 2: Convert to fraction form
    68,994.36/95,213.06 = 38,777.92/x
  3. Step 3: Cross multiply
    68,994.36x = 95,213.06 × 38,777.92
  4. Step 4: Simplify right side
    68,994.36x = 3,692,164,423.64
  5. Step 5: Solve for x
    x = 3,692,164,423.64/68,994.36
  6. Step 6: Final answer
    x = 53,514.00

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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.