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Finding the Fourth Proportional to 6,522.81, 8,999.10 and 4,285.89

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Solution

The fourth proportional to 6,522.81, 8,999.10 and 4,285.89 is: 5,912.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,522.81 : 8,999.10 = 4,285.89 : x
  2. Step 2: Convert to fraction form
    6,522.81/8,999.10 = 4,285.89/x
  3. Step 3: Cross multiply
    6,522.81x = 8,999.10 × 4,285.89
  4. Step 4: Simplify right side
    6,522.81x = 38,569,152.70
  5. Step 5: Solve for x
    x = 38,569,152.70/6,522.81
  6. Step 6: Final answer
    x = 5,912.97

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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.