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Finding the Fourth Proportional to 83,794.93, 115,661.93 and 48,008.77

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Solution

The fourth proportional to 83,794.93, 115,661.93 and 48,008.77 is: 66,266.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,794.93 : 115,661.93 = 48,008.77 : x
  2. Step 2: Convert to fraction form
    83,794.93/115,661.93 = 48,008.77/x
  3. Step 3: Cross multiply
    83,794.93x = 115,661.93 × 48,008.77
  4. Step 4: Simplify right side
    83,794.93x = 5,552,786,995.13
  5. Step 5: Solve for x
    x = 5,552,786,995.13/83,794.93
  6. Step 6: Final answer
    x = 66,266.38

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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.