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Finding the Fourth Proportional to 15,953.52, 23,928.42 and 4,267.65

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Solution

The fourth proportional to 15,953.52, 23,928.42 and 4,267.65 is: 6,400.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,953.52 : 23,928.42 = 4,267.65 : x
  2. Step 2: Convert to fraction form
    15,953.52/23,928.42 = 4,267.65/x
  3. Step 3: Cross multiply
    15,953.52x = 23,928.42 × 4,267.65
  4. Step 4: Simplify right side
    15,953.52x = 102,118,121.61
  5. Step 5: Solve for x
    x = 102,118,121.61/15,953.52
  6. Step 6: Final answer
    x = 6,400.98

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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.