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Finding the Fourth Proportional to 7,602.03, 11,399.40 and 3,217.10

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Solution

The fourth proportional to 7,602.03, 11,399.40 and 3,217.10 is: 4,824.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,602.03 : 11,399.40 = 3,217.10 : x
  2. Step 2: Convert to fraction form
    7,602.03/11,399.40 = 3,217.10/x
  3. Step 3: Cross multiply
    7,602.03x = 11,399.40 × 3,217.10
  4. Step 4: Simplify right side
    7,602.03x = 36,672,952.74
  5. Step 5: Solve for x
    x = 36,672,952.74/7,602.03
  6. Step 6: Final answer
    x = 4,824.10

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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.