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Finding the Fourth Proportional to 5,562.42, 8,343.63 and 1,666.83

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Solution

The fourth proportional to 5,562.42, 8,343.63 and 1,666.83 is: 2,500.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,562.42 : 8,343.63 = 1,666.83 : x
  2. Step 2: Convert to fraction form
    5,562.42/8,343.63 = 1,666.83/x
  3. Step 3: Cross multiply
    5,562.42x = 8,343.63 × 1,666.83
  4. Step 4: Simplify right side
    5,562.42x = 13,907,401.84
  5. Step 5: Solve for x
    x = 13,907,401.84/5,562.42
  6. Step 6: Final answer
    x = 2,500.24

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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.