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Finding the Fourth Proportional to 7,353.40, 11,034.90 and 4,233.40

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Solution

The fourth proportional to 7,353.40, 11,034.90 and 4,233.40 is: 6,352.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.40 : 11,034.90 = 4,233.40 : x
  2. Step 2: Convert to fraction form
    7,353.40/11,034.90 = 4,233.40/x
  3. Step 3: Cross multiply
    7,353.40x = 11,034.90 × 4,233.40
  4. Step 4: Simplify right side
    7,353.40x = 46,715,145.66
  5. Step 5: Solve for x
    x = 46,715,145.66/7,353.40
  6. Step 6: Final answer
    x = 6,352.86

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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.