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Finding the Fourth Proportional to 15,607.72, 23,420.22 and 6,373

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Solution

The fourth proportional to 15,607.72, 23,420.22 and 6,373 is: 9,563.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,607.72 : 23,420.22 = 6,373 : x
  2. Step 2: Convert to fraction form
    15,607.72/23,420.22 = 6,373/x
  3. Step 3: Cross multiply
    15,607.72x = 23,420.22 × 6,373
  4. Step 4: Simplify right side
    15,607.72x = 149,257,062.06
  5. Step 5: Solve for x
    x = 149,257,062.06/15,607.72
  6. Step 6: Final answer
    x = 9,563.03

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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.