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Finding the Fourth Proportional to 15,630.76, 23,425.02 and 5,760.76

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Solution

The fourth proportional to 15,630.76, 23,425.02 and 5,760.76 is: 8,633.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,630.76 : 23,425.02 = 5,760.76 : x
  2. Step 2: Convert to fraction form
    15,630.76/23,425.02 = 5,760.76/x
  3. Step 3: Cross multiply
    15,630.76x = 23,425.02 × 5,760.76
  4. Step 4: Simplify right side
    15,630.76x = 134,945,918.22
  5. Step 5: Solve for x
    x = 134,945,918.22/15,630.76
  6. Step 6: Final answer
    x = 8,633.36

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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.