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Finding the Fourth Proportional to 8,895.48, 13,343.19 and 8,452.05

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Solution

The fourth proportional to 8,895.48, 13,343.19 and 8,452.05 is: 12,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.48 : 13,343.19 = 8,452.05 : x
  2. Step 2: Convert to fraction form
    8,895.48/13,343.19 = 8,452.05/x
  3. Step 3: Cross multiply
    8,895.48x = 13,343.19 × 8,452.05
  4. Step 4: Simplify right side
    8,895.48x = 112,777,309.04
  5. Step 5: Solve for x
    x = 112,777,309.04/8,895.48
  6. Step 6: Final answer
    x = 12,678.05

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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.