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Finding the Fourth Proportional to 29,804.86, 44,712.72 and 9,815.44

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Solution

The fourth proportional to 29,804.86, 44,712.72 and 9,815.44 is: 14,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,804.86 : 44,712.72 = 9,815.44 : x
  2. Step 2: Convert to fraction form
    29,804.86/44,712.72 = 9,815.44/x
  3. Step 3: Cross multiply
    29,804.86x = 44,712.72 × 9,815.44
  4. Step 4: Simplify right side
    29,804.86x = 438,875,020.40
  5. Step 5: Solve for x
    x = 438,875,020.40/29,804.86
  6. Step 6: Final answer
    x = 14,724.95

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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.