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Finding the Fourth Proportional to 23,891.92, 32,968.48 and 13,280.52

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Solution

The fourth proportional to 23,891.92, 32,968.48 and 13,280.52 is: 18,325.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,891.92 : 32,968.48 = 13,280.52 : x
  2. Step 2: Convert to fraction form
    23,891.92/32,968.48 = 13,280.52/x
  3. Step 3: Cross multiply
    23,891.92x = 32,968.48 × 13,280.52
  4. Step 4: Simplify right side
    23,891.92x = 437,838,558.01
  5. Step 5: Solve for x
    x = 437,838,558.01/23,891.92
  6. Step 6: Final answer
    x = 18,325.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.