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Finding the Fourth Proportional to 13,046.63, 19,573.18 and 3,812.63

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Solution

The fourth proportional to 13,046.63, 19,573.18 and 3,812.63 is: 5,719.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,046.63 : 19,573.18 = 3,812.63 : x
  2. Step 2: Convert to fraction form
    13,046.63/19,573.18 = 3,812.63/x
  3. Step 3: Cross multiply
    13,046.63x = 19,573.18 × 3,812.63
  4. Step 4: Simplify right side
    13,046.63x = 74,625,185.87
  5. Step 5: Solve for x
    x = 74,625,185.87/13,046.63
  6. Step 6: Final answer
    x = 5,719.88

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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.