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Finding the Fourth Proportional to 3,808.32, 5,235.32 and 3,275.25

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Solution

The fourth proportional to 3,808.32, 5,235.32 and 3,275.25 is: 4,502.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,808.32 : 5,235.32 = 3,275.25 : x
  2. Step 2: Convert to fraction form
    3,808.32/5,235.32 = 3,275.25/x
  3. Step 3: Cross multiply
    3,808.32x = 5,235.32 × 3,275.25
  4. Step 4: Simplify right side
    3,808.32x = 17,146,965.45
  5. Step 5: Solve for x
    x = 17,146,965.45/3,808.32
  6. Step 6: Final answer
    x = 4,502.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.