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Finding the Fourth Proportional to 6,612.60, 9,123.83 and 5,999.97

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Solution

The fourth proportional to 6,612.60, 9,123.83 and 5,999.97 is: 8,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,612.60 : 9,123.83 = 5,999.97 : x
  2. Step 2: Convert to fraction form
    6,612.60/9,123.83 = 5,999.97/x
  3. Step 3: Cross multiply
    6,612.60x = 9,123.83 × 5,999.97
  4. Step 4: Simplify right side
    6,612.60x = 54,742,630.67
  5. Step 5: Solve for x
    x = 54,742,630.67/6,612.60
  6. Step 6: Final answer
    x = 8,278.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.