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Finding the Fourth Proportional to 30,065.58, 41,463.09 and 25,815.31

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Solution

The fourth proportional to 30,065.58, 41,463.09 and 25,815.31 is: 35,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.58 : 41,463.09 = 25,815.31 : x
  2. Step 2: Convert to fraction form
    30,065.58/41,463.09 = 25,815.31/x
  3. Step 3: Cross multiply
    30,065.58x = 41,463.09 × 25,815.31
  4. Step 4: Simplify right side
    30,065.58x = 1,070,382,418.25
  5. Step 5: Solve for x
    x = 1,070,382,418.25/30,065.58
  6. Step 6: Final answer
    x = 35,601.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.