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Finding the Fourth Proportional to 3,466.99, 5,200.32 and 1,275.55

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Solution

The fourth proportional to 3,466.99, 5,200.32 and 1,275.55 is: 1,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.99 : 5,200.32 = 1,275.55 : x
  2. Step 2: Convert to fraction form
    3,466.99/5,200.32 = 1,275.55/x
  3. Step 3: Cross multiply
    3,466.99x = 5,200.32 × 1,275.55
  4. Step 4: Simplify right side
    3,466.99x = 6,633,268.18
  5. Step 5: Solve for x
    x = 6,633,268.18/3,466.99
  6. Step 6: Final answer
    x = 1,913.26

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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.