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Finding the Fourth Proportional to 62,803.47, 86,668.48 and 34,122.94

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Solution

The fourth proportional to 62,803.47, 86,668.48 and 34,122.94 is: 47,089.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,803.47 : 86,668.48 = 34,122.94 : x
  2. Step 2: Convert to fraction form
    62,803.47/86,668.48 = 34,122.94/x
  3. Step 3: Cross multiply
    62,803.47x = 86,668.48 × 34,122.94
  4. Step 4: Simplify right side
    62,803.47x = 2,957,383,342.93
  5. Step 5: Solve for x
    x = 2,957,383,342.93/62,803.47
  6. Step 6: Final answer
    x = 47,089.49

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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.