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Finding the Fourth Proportional to 12,460.73, 18,698.54 and 5,064.62

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Solution

The fourth proportional to 12,460.73, 18,698.54 and 5,064.62 is: 7,599.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,460.73 : 18,698.54 = 5,064.62 : x
  2. Step 2: Convert to fraction form
    12,460.73/18,698.54 = 5,064.62/x
  3. Step 3: Cross multiply
    12,460.73x = 18,698.54 × 5,064.62
  4. Step 4: Simplify right side
    12,460.73x = 94,700,880.84
  5. Step 5: Solve for x
    x = 94,700,880.84/12,460.73
  6. Step 6: Final answer
    x = 7,599.95

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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.