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Finding the Fourth Proportional to 7,599.63, 11,401.20 and 2,405.51

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Solution

The fourth proportional to 7,599.63, 11,401.20 and 2,405.51 is: 3,608.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,599.63 : 11,401.20 = 2,405.51 : x
  2. Step 2: Convert to fraction form
    7,599.63/11,401.20 = 2,405.51/x
  3. Step 3: Cross multiply
    7,599.63x = 11,401.20 × 2,405.51
  4. Step 4: Simplify right side
    7,599.63x = 27,425,643.61
  5. Step 5: Solve for x
    x = 27,425,643.61/7,599.63
  6. Step 6: Final answer
    x = 3,608.81

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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.