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Finding the Fourth Proportional to 85,092.35, 127,633.86 and 25,923.06

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Solution

The fourth proportional to 85,092.35, 127,633.86 and 25,923.06 is: 38,883.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,092.35 : 127,633.86 = 25,923.06 : x
  2. Step 2: Convert to fraction form
    85,092.35/127,633.86 = 25,923.06/x
  3. Step 3: Cross multiply
    85,092.35x = 127,633.86 × 25,923.06
  4. Step 4: Simplify right side
    85,092.35x = 3,308,660,210.81
  5. Step 5: Solve for x
    x = 3,308,660,210.81/85,092.35
  6. Step 6: Final answer
    x = 38,883.17

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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.