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Finding the Fourth Proportional to 23,216.92, 32,040 and 13,657.51

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Solution

The fourth proportional to 23,216.92, 32,040 and 13,657.51 is: 18,847.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,216.92 : 32,040 = 13,657.51 : x
  2. Step 2: Convert to fraction form
    23,216.92/32,040 = 13,657.51/x
  3. Step 3: Cross multiply
    23,216.92x = 32,040 × 13,657.51
  4. Step 4: Simplify right side
    23,216.92x = 437,586,620.40
  5. Step 5: Solve for x
    x = 437,586,620.40/23,216.92
  6. Step 6: Final answer
    x = 18,847.75

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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.