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Finding the Fourth Proportional to 5,655.22, 8,482.83 and 3,188.92

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Solution

The fourth proportional to 5,655.22, 8,482.83 and 3,188.92 is: 4,783.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.22 : 8,482.83 = 3,188.92 : x
  2. Step 2: Convert to fraction form
    5,655.22/8,482.83 = 3,188.92/x
  3. Step 3: Cross multiply
    5,655.22x = 8,482.83 × 3,188.92
  4. Step 4: Simplify right side
    5,655.22x = 27,051,048.98
  5. Step 5: Solve for x
    x = 27,051,048.98/5,655.22
  6. Step 6: Final answer
    x = 4,783.38

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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.