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Finding the Fourth Proportional to 9,604.80, 13,254.36 and 5,355.99

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Solution

The fourth proportional to 9,604.80, 13,254.36 and 5,355.99 is: 7,391.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,604.80 : 13,254.36 = 5,355.99 : x
  2. Step 2: Convert to fraction form
    9,604.80/13,254.36 = 5,355.99/x
  3. Step 3: Cross multiply
    9,604.80x = 13,254.36 × 5,355.99
  4. Step 4: Simplify right side
    9,604.80x = 70,990,158.68
  5. Step 5: Solve for x
    x = 70,990,158.68/9,604.80
  6. Step 6: Final answer
    x = 7,391.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.