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Finding the Fourth Proportional to 84,846.70, 127,237.65 and 25,662.70

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Solution

The fourth proportional to 84,846.70, 127,237.65 and 25,662.70 is: 38,484.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,846.70 : 127,237.65 = 25,662.70 : x
  2. Step 2: Convert to fraction form
    84,846.70/127,237.65 = 25,662.70/x
  3. Step 3: Cross multiply
    84,846.70x = 127,237.65 × 25,662.70
  4. Step 4: Simplify right side
    84,846.70x = 3,265,261,640.66
  5. Step 5: Solve for x
    x = 3,265,261,640.66/84,846.70
  6. Step 6: Final answer
    x = 38,484.25

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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.