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Finding the Fourth Proportional to 17,768.40, 26,645.40 and 6,075.60

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Solution

The fourth proportional to 17,768.40, 26,645.40 and 6,075.60 is: 9,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,768.40 : 26,645.40 = 6,075.60 : x
  2. Step 2: Convert to fraction form
    17,768.40/26,645.40 = 6,075.60/x
  3. Step 3: Cross multiply
    17,768.40x = 26,645.40 × 6,075.60
  4. Step 4: Simplify right side
    17,768.40x = 161,886,792.24
  5. Step 5: Solve for x
    x = 161,886,792.24/17,768.40
  6. Step 6: Final answer
    x = 9,110.94

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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.