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Finding the Fourth Proportional to 14,787.41, 22,162.66 and 7,393.99

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Solution

The fourth proportional to 14,787.41, 22,162.66 and 7,393.99 is: 11,081.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.41 : 22,162.66 = 7,393.99 : x
  2. Step 2: Convert to fraction form
    14,787.41/22,162.66 = 7,393.99/x
  3. Step 3: Cross multiply
    14,787.41x = 22,162.66 × 7,393.99
  4. Step 4: Simplify right side
    14,787.41x = 163,870,338.63
  5. Step 5: Solve for x
    x = 163,870,338.63/14,787.41
  6. Step 6: Final answer
    x = 11,081.75

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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.