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Finding the Fourth Proportional to 14,873.89, 22,312.89 and 5,015.99

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Solution

The fourth proportional to 14,873.89, 22,312.89 and 5,015.99 is: 7,524.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,873.89 : 22,312.89 = 5,015.99 : x
  2. Step 2: Convert to fraction form
    14,873.89/22,312.89 = 5,015.99/x
  3. Step 3: Cross multiply
    14,873.89x = 22,312.89 × 5,015.99
  4. Step 4: Simplify right side
    14,873.89x = 111,921,233.11
  5. Step 5: Solve for x
    x = 111,921,233.11/14,873.89
  6. Step 6: Final answer
    x = 7,524.68

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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.