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Finding the Fourth Proportional to 14,677.90, 22,014.77 and 4,815.90

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Solution

The fourth proportional to 14,677.90, 22,014.77 and 4,815.90 is: 7,223.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.90 : 22,014.77 = 4,815.90 : x
  2. Step 2: Convert to fraction form
    14,677.90/22,014.77 = 4,815.90/x
  3. Step 3: Cross multiply
    14,677.90x = 22,014.77 × 4,815.90
  4. Step 4: Simplify right side
    14,677.90x = 106,020,942.88
  5. Step 5: Solve for x
    x = 106,020,942.88/14,677.90
  6. Step 6: Final answer
    x = 7,223.17

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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.