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Finding the Fourth Proportional to 1,807.03, 2,494.08 and 1,061.05

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Solution

The fourth proportional to 1,807.03, 2,494.08 and 1,061.05 is: 1,464.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.03 : 2,494.08 = 1,061.05 : x
  2. Step 2: Convert to fraction form
    1,807.03/2,494.08 = 1,061.05/x
  3. Step 3: Cross multiply
    1,807.03x = 2,494.08 × 1,061.05
  4. Step 4: Simplify right side
    1,807.03x = 2,646,343.58
  5. Step 5: Solve for x
    x = 2,646,343.58/1,807.03
  6. Step 6: Final answer
    x = 1,464.47

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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.