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Finding the Fourth Proportional to 7,343.64, 11,018.70 and 4,573.44

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Solution

The fourth proportional to 7,343.64, 11,018.70 and 4,573.44 is: 6,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,343.64 : 11,018.70 = 4,573.44 : x
  2. Step 2: Convert to fraction form
    7,343.64/11,018.70 = 4,573.44/x
  3. Step 3: Cross multiply
    7,343.64x = 11,018.70 × 4,573.44
  4. Step 4: Simplify right side
    7,343.64x = 50,393,363.33
  5. Step 5: Solve for x
    x = 50,393,363.33/7,343.64
  6. Step 6: Final answer
    x = 6,862.18

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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.