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Finding the Fourth Proportional to 15,615.44, 23,423.04 and 5,227.08

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Solution

The fourth proportional to 15,615.44, 23,423.04 and 5,227.08 is: 7,840.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.44 : 23,423.04 = 5,227.08 : x
  2. Step 2: Convert to fraction form
    15,615.44/23,423.04 = 5,227.08/x
  3. Step 3: Cross multiply
    15,615.44x = 23,423.04 × 5,227.08
  4. Step 4: Simplify right side
    15,615.44x = 122,434,103.92
  5. Step 5: Solve for x
    x = 122,434,103.92/15,615.44
  6. Step 6: Final answer
    x = 7,840.58

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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.