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Finding the Fourth Proportional to 5,376.60, 7,420.12 and 3,252.22

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Solution

The fourth proportional to 5,376.60, 7,420.12 and 3,252.22 is: 4,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.60 : 7,420.12 = 3,252.22 : x
  2. Step 2: Convert to fraction form
    5,376.60/7,420.12 = 3,252.22/x
  3. Step 3: Cross multiply
    5,376.60x = 7,420.12 × 3,252.22
  4. Step 4: Simplify right side
    5,376.60x = 24,131,835.99
  5. Step 5: Solve for x
    x = 24,131,835.99/5,376.60
  6. Step 6: Final answer
    x = 4,488.31

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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.