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Finding the Fourth Proportional to 1,887.24, 2,830.92 and 733.32

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Solution

The fourth proportional to 1,887.24, 2,830.92 and 733.32 is: 1,100.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,887.24 : 2,830.92 = 733.32 : x
  2. Step 2: Convert to fraction form
    1,887.24/2,830.92 = 733.32/x
  3. Step 3: Cross multiply
    1,887.24x = 2,830.92 × 733.32
  4. Step 4: Simplify right side
    1,887.24x = 2,075,970.25
  5. Step 5: Solve for x
    x = 2,075,970.25/1,887.24
  6. Step 6: Final answer
    x = 1,100.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.