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Finding the Fourth Proportional to 15,324.80, 22,992.15 and 7,528.15

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Solution

The fourth proportional to 15,324.80, 22,992.15 and 7,528.15 is: 11,294.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,324.80 : 22,992.15 = 7,528.15 : x
  2. Step 2: Convert to fraction form
    15,324.80/22,992.15 = 7,528.15/x
  3. Step 3: Cross multiply
    15,324.80x = 22,992.15 × 7,528.15
  4. Step 4: Simplify right side
    15,324.80x = 173,088,239.06
  5. Step 5: Solve for x
    x = 173,088,239.06/15,324.80
  6. Step 6: Final answer
    x = 11,294.65

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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.