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Finding the Fourth Proportional to 14,999.30, 22,498.95 and 3,905.96

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Solution

The fourth proportional to 14,999.30, 22,498.95 and 3,905.96 is: 5,858.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.30 : 22,498.95 = 3,905.96 : x
  2. Step 2: Convert to fraction form
    14,999.30/22,498.95 = 3,905.96/x
  3. Step 3: Cross multiply
    14,999.30x = 22,498.95 × 3,905.96
  4. Step 4: Simplify right side
    14,999.30x = 87,879,886.25
  5. Step 5: Solve for x
    x = 87,879,886.25/14,999.30
  6. Step 6: Final answer
    x = 5,858.93

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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.