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Finding the Fourth Proportional to 8,483.09, 12,724.61 and 5,560.70

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Solution

The fourth proportional to 8,483.09, 12,724.61 and 5,560.70 is: 8,341.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483.09 : 12,724.61 = 5,560.70 : x
  2. Step 2: Convert to fraction form
    8,483.09/12,724.61 = 5,560.70/x
  3. Step 3: Cross multiply
    8,483.09x = 12,724.61 × 5,560.70
  4. Step 4: Simplify right side
    8,483.09x = 70,757,647.40
  5. Step 5: Solve for x
    x = 70,757,647.40/8,483.09
  6. Step 6: Final answer
    x = 8,341.03

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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.