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Finding the Fourth Proportional to 62,967.78, 86,896.17 and 34,673.58

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Solution

The fourth proportional to 62,967.78, 86,896.17 and 34,673.58 is: 47,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,967.78 : 86,896.17 = 34,673.58 : x
  2. Step 2: Convert to fraction form
    62,967.78/86,896.17 = 34,673.58/x
  3. Step 3: Cross multiply
    62,967.78x = 86,896.17 × 34,673.58
  4. Step 4: Simplify right side
    62,967.78x = 3,013,001,302.19
  5. Step 5: Solve for x
    x = 3,013,001,302.19/62,967.78
  6. Step 6: Final answer
    x = 47,849.89

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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.