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Finding the Fourth Proportional to 15,324.58, 22,975.16 and 7,924.32

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Solution

The fourth proportional to 15,324.58, 22,975.16 and 7,924.32 is: 11,880.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.58 : 22,975.16 = 7,924.32 : x
  2. Step 2: Convert to fraction form
    15,324.58/22,975.16 = 7,924.32/x
  3. Step 3: Cross multiply
    15,324.58x = 22,975.16 × 7,924.32
  4. Step 4: Simplify right side
    15,324.58x = 182,062,519.89
  5. Step 5: Solve for x
    x = 182,062,519.89/15,324.58
  6. Step 6: Final answer
    x = 11,880.42

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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.