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Finding the Fourth Proportional to 1,887.54, 2,607.44 and 1,795.28

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Solution

The fourth proportional to 1,887.54, 2,607.44 and 1,795.28 is: 2,479.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.54 : 2,607.44 = 1,795.28 : x
  2. Step 2: Convert to fraction form
    1,887.54/2,607.44 = 1,795.28/x
  3. Step 3: Cross multiply
    1,887.54x = 2,607.44 × 1,795.28
  4. Step 4: Simplify right side
    1,887.54x = 4,681,077.54
  5. Step 5: Solve for x
    x = 4,681,077.54/1,887.54
  6. Step 6: Final answer
    x = 2,479.99

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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.