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Finding the Fourth Proportional to 8,184.84, 11,295.12 and 4,649.22

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Solution

The fourth proportional to 8,184.84, 11,295.12 and 4,649.22 is: 6,415.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,184.84 : 11,295.12 = 4,649.22 : x
  2. Step 2: Convert to fraction form
    8,184.84/11,295.12 = 4,649.22/x
  3. Step 3: Cross multiply
    8,184.84x = 11,295.12 × 4,649.22
  4. Step 4: Simplify right side
    8,184.84x = 52,513,497.81
  5. Step 5: Solve for x
    x = 52,513,497.81/8,184.84
  6. Step 6: Final answer
    x = 6,415.95

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.