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Finding the Fourth Proportional to 17,705.60, 26,559.60 and 6,019.70

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Solution

The fourth proportional to 17,705.60, 26,559.60 and 6,019.70 is: 9,029.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,705.60 : 26,559.60 = 6,019.70 : x
  2. Step 2: Convert to fraction form
    17,705.60/26,559.60 = 6,019.70/x
  3. Step 3: Cross multiply
    17,705.60x = 26,559.60 × 6,019.70
  4. Step 4: Simplify right side
    17,705.60x = 159,880,824.12
  5. Step 5: Solve for x
    x = 159,880,824.12/17,705.60
  6. Step 6: Final answer
    x = 9,029.96

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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.