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Finding the Fourth Proportional to 11,019.03, 15,200.62 and 7,035.95

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Solution

The fourth proportional to 11,019.03, 15,200.62 and 7,035.95 is: 9,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,019.03 : 15,200.62 = 7,035.95 : x
  2. Step 2: Convert to fraction form
    11,019.03/15,200.62 = 7,035.95/x
  3. Step 3: Cross multiply
    11,019.03x = 15,200.62 × 7,035.95
  4. Step 4: Simplify right side
    11,019.03x = 106,950,802.29
  5. Step 5: Solve for x
    x = 106,950,802.29/11,019.03
  6. Step 6: Final answer
    x = 9,706.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.