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Finding the Fourth Proportional to 5,557.71, 8,337.96 and 1,662.11

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Solution

The fourth proportional to 5,557.71, 8,337.96 and 1,662.11 is: 2,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.71 : 8,337.96 = 1,662.11 : x
  2. Step 2: Convert to fraction form
    5,557.71/8,337.96 = 1,662.11/x
  3. Step 3: Cross multiply
    5,557.71x = 8,337.96 × 1,662.11
  4. Step 4: Simplify right side
    5,557.71x = 13,858,565.01
  5. Step 5: Solve for x
    x = 13,858,565.01/5,557.71
  6. Step 6: Final answer
    x = 2,493.57

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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.