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Finding the Fourth Proportional to 5,506, 7,598.40 and 3,022

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Solution

The fourth proportional to 5,506, 7,598.40 and 3,022 is: 4,170.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,506 : 7,598.40 = 3,022 : x
  2. Step 2: Convert to fraction form
    5,506/7,598.40 = 3,022/x
  3. Step 3: Cross multiply
    5,506x = 7,598.40 × 3,022
  4. Step 4: Simplify right side
    5,506x = 22,962,364.80
  5. Step 5: Solve for x
    x = 22,962,364.80/5,506
  6. Step 6: Final answer
    x = 4,170.43

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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.