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Finding the Fourth Proportional to 7,353.70, 11,030.55 and 3,195.70

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Solution

The fourth proportional to 7,353.70, 11,030.55 and 3,195.70 is: 4,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.70 : 11,030.55 = 3,195.70 : x
  2. Step 2: Convert to fraction form
    7,353.70/11,030.55 = 3,195.70/x
  3. Step 3: Cross multiply
    7,353.70x = 11,030.55 × 3,195.70
  4. Step 4: Simplify right side
    7,353.70x = 35,250,328.64
  5. Step 5: Solve for x
    x = 35,250,328.64/7,353.70
  6. Step 6: Final answer
    x = 4,793.55

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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.