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Finding the Fourth Proportional to 16,685.91, 25,028.93 and 4,840.40

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Solution

The fourth proportional to 16,685.91, 25,028.93 and 4,840.40 is: 7,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,685.91 : 25,028.93 = 4,840.40 : x
  2. Step 2: Convert to fraction form
    16,685.91/25,028.93 = 4,840.40/x
  3. Step 3: Cross multiply
    16,685.91x = 25,028.93 × 4,840.40
  4. Step 4: Simplify right side
    16,685.91x = 121,149,883.43
  5. Step 5: Solve for x
    x = 121,149,883.43/16,685.91
  6. Step 6: Final answer
    x = 7,260.61

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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.