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Finding the Fourth Proportional to 77,092.16, 115,650.69 and 23,771.68

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Solution

The fourth proportional to 77,092.16, 115,650.69 and 23,771.68 is: 35,661.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,092.16 : 115,650.69 = 23,771.68 : x
  2. Step 2: Convert to fraction form
    77,092.16/115,650.69 = 23,771.68/x
  3. Step 3: Cross multiply
    77,092.16x = 115,650.69 × 23,771.68
  4. Step 4: Simplify right side
    77,092.16x = 2,749,210,816.19
  5. Step 5: Solve for x
    x = 2,749,210,816.19/77,092.16
  6. Step 6: Final answer
    x = 35,661.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.