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Finding the Fourth Proportional to 1,807.47, 2,492.25 and 1,474.86

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Solution

The fourth proportional to 1,807.47, 2,492.25 and 1,474.86 is: 2,033.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.47 : 2,492.25 = 1,474.86 : x
  2. Step 2: Convert to fraction form
    1,807.47/2,492.25 = 1,474.86/x
  3. Step 3: Cross multiply
    1,807.47x = 2,492.25 × 1,474.86
  4. Step 4: Simplify right side
    1,807.47x = 3,675,719.84
  5. Step 5: Solve for x
    x = 3,675,719.84/1,807.47
  6. Step 6: Final answer
    x = 2,033.63

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Why These Related Problems?

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