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Finding the Fourth Proportional to 7,598.68, 11,389.82 and 3,219.21

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Solution

The fourth proportional to 7,598.68, 11,389.82 and 3,219.21 is: 4,825.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,598.68 : 11,389.82 = 3,219.21 : x
  2. Step 2: Convert to fraction form
    7,598.68/11,389.82 = 3,219.21/x
  3. Step 3: Cross multiply
    7,598.68x = 11,389.82 × 3,219.21
  4. Step 4: Simplify right side
    7,598.68x = 36,666,206.35
  5. Step 5: Solve for x
    x = 36,666,206.35/7,598.68
  6. Step 6: Final answer
    x = 4,825.34

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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.