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Finding the Fourth Proportional to 5,322.12, 7,984.47 and 1,624.41

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Solution

The fourth proportional to 5,322.12, 7,984.47 and 1,624.41 is: 2,437.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,322.12 : 7,984.47 = 1,624.41 : x
  2. Step 2: Convert to fraction form
    5,322.12/7,984.47 = 1,624.41/x
  3. Step 3: Cross multiply
    5,322.12x = 7,984.47 × 1,624.41
  4. Step 4: Simplify right side
    5,322.12x = 12,970,052.91
  5. Step 5: Solve for x
    x = 12,970,052.91/5,322.12
  6. Step 6: Final answer
    x = 2,437.01

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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.