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Finding the Fourth Proportional to 1,798.73, 2,695.67 and 933.65

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Solution

The fourth proportional to 1,798.73, 2,695.67 and 933.65 is: 1,399.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.73 : 2,695.67 = 933.65 : x
  2. Step 2: Convert to fraction form
    1,798.73/2,695.67 = 933.65/x
  3. Step 3: Cross multiply
    1,798.73x = 2,695.67 × 933.65
  4. Step 4: Simplify right side
    1,798.73x = 2,516,807.63
  5. Step 5: Solve for x
    x = 2,516,807.63/1,798.73
  6. Step 6: Final answer
    x = 1,399.21

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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.