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Finding the Fourth Proportional to 68,888.84, 95,072.07 and 38,676.14

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Solution

The fourth proportional to 68,888.84, 95,072.07 and 38,676.14 is: 53,376.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,888.84 : 95,072.07 = 38,676.14 : x
  2. Step 2: Convert to fraction form
    68,888.84/95,072.07 = 38,676.14/x
  3. Step 3: Cross multiply
    68,888.84x = 95,072.07 × 38,676.14
  4. Step 4: Simplify right side
    68,888.84x = 3,677,020,214.05
  5. Step 5: Solve for x
    x = 3,677,020,214.05/68,888.84
  6. Step 6: Final answer
    x = 53,376.14

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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.