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Finding the Fourth Proportional to 5,203.55, 7,804.30 and 4,331.65

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Solution

The fourth proportional to 5,203.55, 7,804.30 and 4,331.65 is: 6,496.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.55 : 7,804.30 = 4,331.65 : x
  2. Step 2: Convert to fraction form
    5,203.55/7,804.30 = 4,331.65/x
  3. Step 3: Cross multiply
    5,203.55x = 7,804.30 × 4,331.65
  4. Step 4: Simplify right side
    5,203.55x = 33,805,496.10
  5. Step 5: Solve for x
    x = 33,805,496.10/5,203.55
  6. Step 6: Final answer
    x = 6,496.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.