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Finding the Fourth Proportional to 8,800.35, 13,200.12 and 4,414.47

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Solution

The fourth proportional to 8,800.35, 13,200.12 and 4,414.47 is: 6,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,800.35 : 13,200.12 = 4,414.47 : x
  2. Step 2: Convert to fraction form
    8,800.35/13,200.12 = 4,414.47/x
  3. Step 3: Cross multiply
    8,800.35x = 13,200.12 × 4,414.47
  4. Step 4: Simplify right side
    8,800.35x = 58,271,533.74
  5. Step 5: Solve for x
    x = 58,271,533.74/8,800.35
  6. Step 6: Final answer
    x = 6,621.50

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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.