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Finding the Fourth Proportional to 16,818.14, 25,238.94 and 6,957.50

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Solution

The fourth proportional to 16,818.14, 25,238.94 and 6,957.50 is: 10,441.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,818.14 : 25,238.94 = 6,957.50 : x
  2. Step 2: Convert to fraction form
    16,818.14/25,238.94 = 6,957.50/x
  3. Step 3: Cross multiply
    16,818.14x = 25,238.94 × 6,957.50
  4. Step 4: Simplify right side
    16,818.14x = 175,599,925.05
  5. Step 5: Solve for x
    x = 175,599,925.05/16,818.14
  6. Step 6: Final answer
    x = 10,441.10

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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.