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Finding the Fourth Proportional to 54,001.50, 81,015.24 and 17,065.50

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Solution

The fourth proportional to 54,001.50, 81,015.24 and 17,065.50 is: 25,602.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.50 : 81,015.24 = 17,065.50 : x
  2. Step 2: Convert to fraction form
    54,001.50/81,015.24 = 17,065.50/x
  3. Step 3: Cross multiply
    54,001.50x = 81,015.24 × 17,065.50
  4. Step 4: Simplify right side
    54,001.50x = 1,382,565,578.22
  5. Step 5: Solve for x
    x = 1,382,565,578.22/54,001.50
  6. Step 6: Final answer
    x = 25,602.36

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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.