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Finding the Fourth Proportional to 5,393.50, 7,446.27 and 3,533.74

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Solution

The fourth proportional to 5,393.50, 7,446.27 and 3,533.74 is: 4,878.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.50 : 7,446.27 = 3,533.74 : x
  2. Step 2: Convert to fraction form
    5,393.50/7,446.27 = 3,533.74/x
  3. Step 3: Cross multiply
    5,393.50x = 7,446.27 × 3,533.74
  4. Step 4: Simplify right side
    5,393.50x = 26,313,182.15
  5. Step 5: Solve for x
    x = 26,313,182.15/5,393.50
  6. Step 6: Final answer
    x = 4,878.68

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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.