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Finding the Fourth Proportional to 14,959.88, 22,439.81 and 4,015.88

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Solution

The fourth proportional to 14,959.88, 22,439.81 and 4,015.88 is: 6,023.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,959.88 : 22,439.81 = 4,015.88 : x
  2. Step 2: Convert to fraction form
    14,959.88/22,439.81 = 4,015.88/x
  3. Step 3: Cross multiply
    14,959.88x = 22,439.81 × 4,015.88
  4. Step 4: Simplify right side
    14,959.88x = 90,115,482.02
  5. Step 5: Solve for x
    x = 90,115,482.02/14,959.88
  6. Step 6: Final answer
    x = 6,023.81

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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.