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Finding the Fourth Proportional to 77,407.25, 116,130.39 and 22,003.25

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Solution

The fourth proportional to 77,407.25, 116,130.39 and 22,003.25 is: 33,010.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,407.25 : 116,130.39 = 22,003.25 : x
  2. Step 2: Convert to fraction form
    77,407.25/116,130.39 = 22,003.25/x
  3. Step 3: Cross multiply
    77,407.25x = 116,130.39 × 22,003.25
  4. Step 4: Simplify right side
    77,407.25x = 2,555,245,893.75
  5. Step 5: Solve for x
    x = 2,555,245,893.75/77,407.25
  6. Step 6: Final answer
    x = 33,010.42

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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.