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Finding the Fourth Proportional to 9,004.80, 13,513.10 and 4,074.48

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Solution

The fourth proportional to 9,004.80, 13,513.10 and 4,074.48 is: 6,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,004.80 : 13,513.10 = 4,074.48 : x
  2. Step 2: Convert to fraction form
    9,004.80/13,513.10 = 4,074.48/x
  3. Step 3: Cross multiply
    9,004.80x = 13,513.10 × 4,074.48
  4. Step 4: Simplify right side
    9,004.80x = 55,058,891.42
  5. Step 5: Solve for x
    x = 55,058,891.42/9,004.80
  6. Step 6: Final answer
    x = 6,114.39

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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.