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Finding the Fourth Proportional to 1,807.11, 2,492.98 and 1,060.83

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Solution

The fourth proportional to 1,807.11, 2,492.98 and 1,060.83 is: 1,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.11 : 2,492.98 = 1,060.83 : x
  2. Step 2: Convert to fraction form
    1,807.11/2,492.98 = 1,060.83/x
  3. Step 3: Cross multiply
    1,807.11x = 2,492.98 × 1,060.83
  4. Step 4: Simplify right side
    1,807.11x = 2,644,625.32
  5. Step 5: Solve for x
    x = 2,644,625.32/1,807.11
  6. Step 6: Final answer
    x = 1,463.46

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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.