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Finding the Fourth Proportional to 8,523.68, 12,783.36 and 3,593.28

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Solution

The fourth proportional to 8,523.68, 12,783.36 and 3,593.28 is: 5,389.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,523.68 : 12,783.36 = 3,593.28 : x
  2. Step 2: Convert to fraction form
    8,523.68/12,783.36 = 3,593.28/x
  3. Step 3: Cross multiply
    8,523.68x = 12,783.36 × 3,593.28
  4. Step 4: Simplify right side
    8,523.68x = 45,934,191.82
  5. Step 5: Solve for x
    x = 45,934,191.82/8,523.68
  6. Step 6: Final answer
    x = 5,389.01

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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.