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Finding the Fourth Proportional to 8,322.35, 11,484.48 and 4,785.48

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Solution

The fourth proportional to 8,322.35, 11,484.48 and 4,785.48 is: 6,603.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,322.35 : 11,484.48 = 4,785.48 : x
  2. Step 2: Convert to fraction form
    8,322.35/11,484.48 = 4,785.48/x
  3. Step 3: Cross multiply
    8,322.35x = 11,484.48 × 4,785.48
  4. Step 4: Simplify right side
    8,322.35x = 54,958,767.30
  5. Step 5: Solve for x
    x = 54,958,767.30/8,322.35
  6. Step 6: Final answer
    x = 6,603.76

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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.