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Finding the Fourth Proportional to 6,578.19, 9,075.16 and 4,308.87

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Solution

The fourth proportional to 6,578.19, 9,075.16 and 4,308.87 is: 5,944.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,578.19 : 9,075.16 = 4,308.87 : x
  2. Step 2: Convert to fraction form
    6,578.19/9,075.16 = 4,308.87/x
  3. Step 3: Cross multiply
    6,578.19x = 9,075.16 × 4,308.87
  4. Step 4: Simplify right side
    6,578.19x = 39,103,684.67
  5. Step 5: Solve for x
    x = 39,103,684.67/6,578.19
  6. Step 6: Final answer
    x = 5,944.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.