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Finding the Fourth Proportional to 10,079.36, 15,093.12 and 8,524.16

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Solution

The fourth proportional to 10,079.36, 15,093.12 and 8,524.16 is: 12,764.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.36 : 15,093.12 = 8,524.16 : x
  2. Step 2: Convert to fraction form
    10,079.36/15,093.12 = 8,524.16/x
  3. Step 3: Cross multiply
    10,079.36x = 15,093.12 × 8,524.16
  4. Step 4: Simplify right side
    10,079.36x = 128,656,169.78
  5. Step 5: Solve for x
    x = 128,656,169.78/10,079.36
  6. Step 6: Final answer
    x = 12,764.32

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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.