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Finding the Fourth Proportional to 22,802.90, 34,200.93 and 7,218.50

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Solution

The fourth proportional to 22,802.90, 34,200.93 and 7,218.50 is: 10,826.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,802.90 : 34,200.93 = 7,218.50 : x
  2. Step 2: Convert to fraction form
    22,802.90/34,200.93 = 7,218.50/x
  3. Step 3: Cross multiply
    22,802.90x = 34,200.93 × 7,218.50
  4. Step 4: Simplify right side
    22,802.90x = 246,879,413.21
  5. Step 5: Solve for x
    x = 246,879,413.21/22,802.90
  6. Step 6: Final answer
    x = 10,826.67

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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.