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Finding the Fourth Proportional to 14,990.96, 22,486.54 and 6,669.02

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Solution

The fourth proportional to 14,990.96, 22,486.54 and 6,669.02 is: 10,003.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.96 : 22,486.54 = 6,669.02 : x
  2. Step 2: Convert to fraction form
    14,990.96/22,486.54 = 6,669.02/x
  3. Step 3: Cross multiply
    14,990.96x = 22,486.54 × 6,669.02
  4. Step 4: Simplify right side
    14,990.96x = 149,963,184.99
  5. Step 5: Solve for x
    x = 149,963,184.99/14,990.96
  6. Step 6: Final answer
    x = 10,003.57

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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.