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Finding the Fourth Proportional to 15,484.54, 23,230.74 and 7,170.54

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Solution

The fourth proportional to 15,484.54, 23,230.74 and 7,170.54 is: 10,757.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.54 : 23,230.74 = 7,170.54 : x
  2. Step 2: Convert to fraction form
    15,484.54/23,230.74 = 7,170.54/x
  3. Step 3: Cross multiply
    15,484.54x = 23,230.74 × 7,170.54
  4. Step 4: Simplify right side
    15,484.54x = 166,576,950.40
  5. Step 5: Solve for x
    x = 166,576,950.40/15,484.54
  6. Step 6: Final answer
    x = 10,757.63

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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.