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Finding the Fourth Proportional to 85,304.51, 127,983.42 and 25,333.33

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Solution

The fourth proportional to 85,304.51, 127,983.42 and 25,333.33 is: 38,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,304.51 : 127,983.42 = 25,333.33 : x
  2. Step 2: Convert to fraction form
    85,304.51/127,983.42 = 25,333.33/x
  3. Step 3: Cross multiply
    85,304.51x = 127,983.42 × 25,333.33
  4. Step 4: Simplify right side
    85,304.51x = 3,242,245,988.43
  5. Step 5: Solve for x
    x = 3,242,245,988.43/85,304.51
  6. Step 6: Final answer
    x = 38,007.91

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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.