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Finding the Fourth Proportional to 61,556.64, 84,929.26 and 37,658.40

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Solution

The fourth proportional to 61,556.64, 84,929.26 and 37,658.40 is: 51,957.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,556.64 : 84,929.26 = 37,658.40 : x
  2. Step 2: Convert to fraction form
    61,556.64/84,929.26 = 37,658.40/x
  3. Step 3: Cross multiply
    61,556.64x = 84,929.26 × 37,658.40
  4. Step 4: Simplify right side
    61,556.64x = 3,198,300,044.78
  5. Step 5: Solve for x
    x = 3,198,300,044.78/61,556.64
  6. Step 6: Final answer
    x = 51,957.03

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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.