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Finding the Fourth Proportional to 84,773.66, 127,161.70 and 25,609.84

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Solution

The fourth proportional to 84,773.66, 127,161.70 and 25,609.84 is: 38,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.66 : 127,161.70 = 25,609.84 : x
  2. Step 2: Convert to fraction form
    84,773.66/127,161.70 = 25,609.84/x
  3. Step 3: Cross multiply
    84,773.66x = 127,161.70 × 25,609.84
  4. Step 4: Simplify right side
    84,773.66x = 3,256,590,791.13
  5. Step 5: Solve for x
    x = 3,256,590,791.13/84,773.66
  6. Step 6: Final answer
    x = 38,415.13

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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.