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Finding the Fourth Proportional to 4,935.70, 6,810.60 and 2,810.98

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Solution

The fourth proportional to 4,935.70, 6,810.60 and 2,810.98 is: 3,878.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,935.70 : 6,810.60 = 2,810.98 : x
  2. Step 2: Convert to fraction form
    4,935.70/6,810.60 = 2,810.98/x
  3. Step 3: Cross multiply
    4,935.70x = 6,810.60 × 2,810.98
  4. Step 4: Simplify right side
    4,935.70x = 19,144,460.39
  5. Step 5: Solve for x
    x = 19,144,460.39/4,935.70
  6. Step 6: Final answer
    x = 3,878.77

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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.