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Finding the Fourth Proportional to 68,047.06, 93,904.94 and 38,239.06

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Solution

The fourth proportional to 68,047.06, 93,904.94 and 38,239.06 is: 52,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,047.06 : 93,904.94 = 38,239.06 : x
  2. Step 2: Convert to fraction form
    68,047.06/93,904.94 = 38,239.06/x
  3. Step 3: Cross multiply
    68,047.06x = 93,904.94 × 38,239.06
  4. Step 4: Simplify right side
    68,047.06x = 3,590,836,634.96
  5. Step 5: Solve for x
    x = 3,590,836,634.96/68,047.06
  6. Step 6: Final answer
    x = 52,769.90

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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.