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Finding the Fourth Proportional to 2,670.86, 3,685.95 and 1,492.01

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Solution

The fourth proportional to 2,670.86, 3,685.95 and 1,492.01 is: 2,059.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,670.86 : 3,685.95 = 1,492.01 : x
  2. Step 2: Convert to fraction form
    2,670.86/3,685.95 = 1,492.01/x
  3. Step 3: Cross multiply
    2,670.86x = 3,685.95 × 1,492.01
  4. Step 4: Simplify right side
    2,670.86x = 5,499,455.83
  5. Step 5: Solve for x
    x = 5,499,455.83/2,670.86
  6. Step 6: Final answer
    x = 2,059.06

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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.