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Finding the Fourth Proportional to 8,553.52, 12,829.03 and 2,313.89

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Solution

The fourth proportional to 8,553.52, 12,829.03 and 2,313.89 is: 3,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,553.52 : 12,829.03 = 2,313.89 : x
  2. Step 2: Convert to fraction form
    8,553.52/12,829.03 = 2,313.89/x
  3. Step 3: Cross multiply
    8,553.52x = 12,829.03 × 2,313.89
  4. Step 4: Simplify right side
    8,553.52x = 29,684,964.23
  5. Step 5: Solve for x
    x = 29,684,964.23/8,553.52
  6. Step 6: Final answer
    x = 3,470.50

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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.