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Finding the Fourth Proportional to 1,807.03, 2,686.16 and 1,753.82

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Solution

The fourth proportional to 1,807.03, 2,686.16 and 1,753.82 is: 2,607.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,807.03 : 2,686.16 = 1,753.82 : x
  2. Step 2: Convert to fraction form
    1,807.03/2,686.16 = 1,753.82/x
  3. Step 3: Cross multiply
    1,807.03x = 2,686.16 × 1,753.82
  4. Step 4: Simplify right side
    1,807.03x = 4,711,032.36
  5. Step 5: Solve for x
    x = 4,711,032.36/1,807.03
  6. Step 6: Final answer
    x = 2,607.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.