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Finding the Fourth Proportional to 84,728.86, 127,083.54 and 22,404.22

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Solution

The fourth proportional to 84,728.86, 127,083.54 and 22,404.22 is: 33,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,728.86 : 127,083.54 = 22,404.22 : x
  2. Step 2: Convert to fraction form
    84,728.86/127,083.54 = 22,404.22/x
  3. Step 3: Cross multiply
    84,728.86x = 127,083.54 × 22,404.22
  4. Step 4: Simplify right side
    84,728.86x = 2,847,207,588.54
  5. Step 5: Solve for x
    x = 2,847,207,588.54/84,728.86
  6. Step 6: Final answer
    x = 33,603.75

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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.