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Finding the Fourth Proportional to 8,448.68, 11,652.18 and 6,359.24

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Solution

The fourth proportional to 8,448.68, 11,652.18 and 6,359.24 is: 8,770.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,448.68 : 11,652.18 = 6,359.24 : x
  2. Step 2: Convert to fraction form
    8,448.68/11,652.18 = 6,359.24/x
  3. Step 3: Cross multiply
    8,448.68x = 11,652.18 × 6,359.24
  4. Step 4: Simplify right side
    8,448.68x = 74,099,009.14
  5. Step 5: Solve for x
    x = 74,099,009.14/8,448.68
  6. Step 6: Final answer
    x = 8,770.48

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.