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Finding the Fourth Proportional to 8,299.57, 11,452.70 and 4,762.70

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Solution

The fourth proportional to 8,299.57, 11,452.70 and 4,762.70 is: 6,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.57 : 11,452.70 = 4,762.70 : x
  2. Step 2: Convert to fraction form
    8,299.57/11,452.70 = 4,762.70/x
  3. Step 3: Cross multiply
    8,299.57x = 11,452.70 × 4,762.70
  4. Step 4: Simplify right side
    8,299.57x = 54,545,750.48
  5. Step 5: Solve for x
    x = 54,545,750.48/8,299.57
  6. Step 6: Final answer
    x = 6,572.12

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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.