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Finding the Fourth Proportional to 15,129.93, 22,694.90 and 4,599.93

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Solution

The fourth proportional to 15,129.93, 22,694.90 and 4,599.93 is: 6,899.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,129.93 : 22,694.90 = 4,599.93 : x
  2. Step 2: Convert to fraction form
    15,129.93/22,694.90 = 4,599.93/x
  3. Step 3: Cross multiply
    15,129.93x = 22,694.90 × 4,599.93
  4. Step 4: Simplify right side
    15,129.93x = 104,394,928.36
  5. Step 5: Solve for x
    x = 104,394,928.36/15,129.93
  6. Step 6: Final answer
    x = 6,899.90

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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.