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Finding the Fourth Proportional to 7,068.54, 10,603.98 and 2,137.98

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Solution

The fourth proportional to 7,068.54, 10,603.98 and 2,137.98 is: 3,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,068.54 : 10,603.98 = 2,137.98 : x
  2. Step 2: Convert to fraction form
    7,068.54/10,603.98 = 2,137.98/x
  3. Step 3: Cross multiply
    7,068.54x = 10,603.98 × 2,137.98
  4. Step 4: Simplify right side
    7,068.54x = 22,671,097.16
  5. Step 5: Solve for x
    x = 22,671,097.16/7,068.54
  6. Step 6: Final answer
    x = 3,207.32

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.