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Finding the Fourth Proportional to 15,321.34, 22,983.34 and 4,228.03

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Solution

The fourth proportional to 15,321.34, 22,983.34 and 4,228.03 is: 6,342.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,321.34 : 22,983.34 = 4,228.03 : x
  2. Step 2: Convert to fraction form
    15,321.34/22,983.34 = 4,228.03/x
  3. Step 3: Cross multiply
    15,321.34x = 22,983.34 × 4,228.03
  4. Step 4: Simplify right side
    15,321.34x = 97,174,269.18
  5. Step 5: Solve for x
    x = 97,174,269.18/15,321.34
  6. Step 6: Final answer
    x = 6,342.41

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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.