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Finding the Fourth Proportional to 13,375.01, 20,062.51 and 5,477.66

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Solution

The fourth proportional to 13,375.01, 20,062.51 and 5,477.66 is: 8,216.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,375.01 : 20,062.51 = 5,477.66 : x
  2. Step 2: Convert to fraction form
    13,375.01/20,062.51 = 5,477.66/x
  3. Step 3: Cross multiply
    13,375.01x = 20,062.51 × 5,477.66
  4. Step 4: Simplify right side
    13,375.01x = 109,895,585.16
  5. Step 5: Solve for x
    x = 109,895,585.16/13,375.01
  6. Step 6: Final answer
    x = 8,216.49

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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.