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Finding the Fourth Proportional to 8,328.68, 11,493.06 and 7,326.44

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Solution

The fourth proportional to 8,328.68, 11,493.06 and 7,326.44 is: 10,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.68 : 11,493.06 = 7,326.44 : x
  2. Step 2: Convert to fraction form
    8,328.68/11,493.06 = 7,326.44/x
  3. Step 3: Cross multiply
    8,328.68x = 11,493.06 × 7,326.44
  4. Step 4: Simplify right side
    8,328.68x = 84,203,214.51
  5. Step 5: Solve for x
    x = 84,203,214.51/8,328.68
  6. Step 6: Final answer
    x = 10,110.03

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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.