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Finding the Fourth Proportional to 7,536.75, 10,401.90 and 4,553.01

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Solution

The fourth proportional to 7,536.75, 10,401.90 and 4,553.01 is: 6,283.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,536.75 : 10,401.90 = 4,553.01 : x
  2. Step 2: Convert to fraction form
    7,536.75/10,401.90 = 4,553.01/x
  3. Step 3: Cross multiply
    7,536.75x = 10,401.90 × 4,553.01
  4. Step 4: Simplify right side
    7,536.75x = 47,359,963.26
  5. Step 5: Solve for x
    x = 47,359,963.26/7,536.75
  6. Step 6: Final answer
    x = 6,283.87

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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.