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Finding the Fourth Proportional to 7,503.10, 11,239.80 and 6,579.70

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Solution

The fourth proportional to 7,503.10, 11,239.80 and 6,579.70 is: 9,856.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.10 : 11,239.80 = 6,579.70 : x
  2. Step 2: Convert to fraction form
    7,503.10/11,239.80 = 6,579.70/x
  3. Step 3: Cross multiply
    7,503.10x = 11,239.80 × 6,579.70
  4. Step 4: Simplify right side
    7,503.10x = 73,954,512.06
  5. Step 5: Solve for x
    x = 73,954,512.06/7,503.10
  6. Step 6: Final answer
    x = 9,856.53

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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.