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Finding the Fourth Proportional to 8,856.84, 13,298.52 and 7,674.54

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Solution

The fourth proportional to 8,856.84, 13,298.52 and 7,674.54 is: 11,523.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,856.84 : 13,298.52 = 7,674.54 : x
  2. Step 2: Convert to fraction form
    8,856.84/13,298.52 = 7,674.54/x
  3. Step 3: Cross multiply
    8,856.84x = 13,298.52 × 7,674.54
  4. Step 4: Simplify right side
    8,856.84x = 102,060,023.68
  5. Step 5: Solve for x
    x = 102,060,023.68/8,856.84
  6. Step 6: Final answer
    x = 11,523.30

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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.