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Finding the Fourth Proportional to 5,393.62, 7,445.50 and 3,626.25

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Solution

The fourth proportional to 5,393.62, 7,445.50 and 3,626.25 is: 5,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.62 : 7,445.50 = 3,626.25 : x
  2. Step 2: Convert to fraction form
    5,393.62/7,445.50 = 3,626.25/x
  3. Step 3: Cross multiply
    5,393.62x = 7,445.50 × 3,626.25
  4. Step 4: Simplify right side
    5,393.62x = 26,999,235.31
  5. Step 5: Solve for x
    x = 26,999,235.31/5,393.62
  6. Step 6: Final answer
    x = 5,005.77

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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.