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Finding the Fourth Proportional to 70,010.34, 96,610.47 and 39,791.47

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Solution

The fourth proportional to 70,010.34, 96,610.47 and 39,791.47 is: 54,910.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,010.34 : 96,610.47 = 39,791.47 : x
  2. Step 2: Convert to fraction form
    70,010.34/96,610.47 = 39,791.47/x
  3. Step 3: Cross multiply
    70,010.34x = 96,610.47 × 39,791.47
  4. Step 4: Simplify right side
    70,010.34x = 3,844,272,632.92
  5. Step 5: Solve for x
    x = 3,844,272,632.92/70,010.34
  6. Step 6: Final answer
    x = 54,910.07

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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.