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Finding the Fourth Proportional to 3,364.86, 5,046.90 and 899.88

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Solution

The fourth proportional to 3,364.86, 5,046.90 and 899.88 is: 1,349.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,364.86 : 5,046.90 = 899.88 : x
  2. Step 2: Convert to fraction form
    3,364.86/5,046.90 = 899.88/x
  3. Step 3: Cross multiply
    3,364.86x = 5,046.90 × 899.88
  4. Step 4: Simplify right side
    3,364.86x = 4,541,587.13
  5. Step 5: Solve for x
    x = 4,541,587.13/3,364.86
  6. Step 6: Final answer
    x = 1,349.71

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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.