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Finding the Fourth Proportional to 62,844.91, 86,729.48 and 34,556.47

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Solution

The fourth proportional to 62,844.91, 86,729.48 and 34,556.47 is: 47,689.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,844.91 : 86,729.48 = 34,556.47 : x
  2. Step 2: Convert to fraction form
    62,844.91/86,729.48 = 34,556.47/x
  3. Step 3: Cross multiply
    62,844.91x = 86,729.48 × 34,556.47
  4. Step 4: Simplify right side
    62,844.91x = 2,997,064,673.74
  5. Step 5: Solve for x
    x = 2,997,064,673.74/62,844.91
  6. Step 6: Final answer
    x = 47,689.86

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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.