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Finding the Fourth Proportional to 13,068.62, 19,504.17 and 11,807.49

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Solution

The fourth proportional to 13,068.62, 19,504.17 and 11,807.49 is: 17,622.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.62 : 19,504.17 = 11,807.49 : x
  2. Step 2: Convert to fraction form
    13,068.62/19,504.17 = 11,807.49/x
  3. Step 3: Cross multiply
    13,068.62x = 19,504.17 × 11,807.49
  4. Step 4: Simplify right side
    13,068.62x = 230,295,292.23
  5. Step 5: Solve for x
    x = 230,295,292.23/13,068.62
  6. Step 6: Final answer
    x = 17,622.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.