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Finding the Fourth Proportional to 5,328.66, 7,353.24 and 2,970.96

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Solution

The fourth proportional to 5,328.66, 7,353.24 and 2,970.96 is: 4,099.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.66 : 7,353.24 = 2,970.96 : x
  2. Step 2: Convert to fraction form
    5,328.66/7,353.24 = 2,970.96/x
  3. Step 3: Cross multiply
    5,328.66x = 7,353.24 × 2,970.96
  4. Step 4: Simplify right side
    5,328.66x = 21,846,181.91
  5. Step 5: Solve for x
    x = 21,846,181.91/5,328.66
  6. Step 6: Final answer
    x = 4,099.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.