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Finding the Fourth Proportional to 6,384.76, 9,572.52 and 4,299.60

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Solution

The fourth proportional to 6,384.76, 9,572.52 and 4,299.60 is: 6,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,384.76 : 9,572.52 = 4,299.60 : x
  2. Step 2: Convert to fraction form
    6,384.76/9,572.52 = 4,299.60/x
  3. Step 3: Cross multiply
    6,384.76x = 9,572.52 × 4,299.60
  4. Step 4: Simplify right side
    6,384.76x = 41,158,006.99
  5. Step 5: Solve for x
    x = 41,158,006.99/6,384.76
  6. Step 6: Final answer
    x = 6,446.29

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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.