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Finding the Fourth Proportional to 15,953.96, 23,930.94 and 4,266.88

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Solution

The fourth proportional to 15,953.96, 23,930.94 and 4,266.88 is: 6,400.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.96 : 23,930.94 = 4,266.88 : x
  2. Step 2: Convert to fraction form
    15,953.96/23,930.94 = 4,266.88/x
  3. Step 3: Cross multiply
    15,953.96x = 23,930.94 × 4,266.88
  4. Step 4: Simplify right side
    15,953.96x = 102,110,449.27
  5. Step 5: Solve for x
    x = 102,110,449.27/15,953.96
  6. Step 6: Final answer
    x = 6,400.32

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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.