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Finding the Fourth Proportional to 17,880.65, 26,817.94 and 4,734.35

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Solution

The fourth proportional to 17,880.65, 26,817.94 and 4,734.35 is: 7,100.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,880.65 : 26,817.94 = 4,734.35 : x
  2. Step 2: Convert to fraction form
    17,880.65/26,817.94 = 4,734.35/x
  3. Step 3: Cross multiply
    17,880.65x = 26,817.94 × 4,734.35
  4. Step 4: Simplify right side
    17,880.65x = 126,965,460.00
  5. Step 5: Solve for x
    x = 126,965,460.00/17,880.65
  6. Step 6: Final answer
    x = 7,100.72

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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.