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Finding the Fourth Proportional to 8,262.15, 12,393.23 and 3,066.99

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Solution

The fourth proportional to 8,262.15, 12,393.23 and 3,066.99 is: 4,600.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,262.15 : 12,393.23 = 3,066.99 : x
  2. Step 2: Convert to fraction form
    8,262.15/12,393.23 = 3,066.99/x
  3. Step 3: Cross multiply
    8,262.15x = 12,393.23 × 3,066.99
  4. Step 4: Simplify right side
    8,262.15x = 38,009,897.14
  5. Step 5: Solve for x
    x = 38,009,897.14/8,262.15
  6. Step 6: Final answer
    x = 4,600.49

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Half scale
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Double scale
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Similar ratio
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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.