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Finding the Fourth Proportional to 19,363.57, 29,047.08 and 7,517.06

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Solution

The fourth proportional to 19,363.57, 29,047.08 and 7,517.06 is: 11,276.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,363.57 : 29,047.08 = 7,517.06 : x
  2. Step 2: Convert to fraction form
    19,363.57/29,047.08 = 7,517.06/x
  3. Step 3: Cross multiply
    19,363.57x = 29,047.08 × 7,517.06
  4. Step 4: Simplify right side
    19,363.57x = 218,348,643.18
  5. Step 5: Solve for x
    x = 218,348,643.18/19,363.57
  6. Step 6: Final answer
    x = 11,276.26

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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.