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Finding the Fourth Proportional to 5,892.90, 8,789.70 and 5,484.66

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Solution

The fourth proportional to 5,892.90, 8,789.70 and 5,484.66 is: 8,180.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,892.90 : 8,789.70 = 5,484.66 : x
  2. Step 2: Convert to fraction form
    5,892.90/8,789.70 = 5,484.66/x
  3. Step 3: Cross multiply
    5,892.90x = 8,789.70 × 5,484.66
  4. Step 4: Simplify right side
    5,892.90x = 48,208,516.00
  5. Step 5: Solve for x
    x = 48,208,516.00/5,892.90
  6. Step 6: Final answer
    x = 8,180.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.