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Finding the Fourth Proportional to 1,356.01, 1,870.67 and 796.47

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Solution

The fourth proportional to 1,356.01, 1,870.67 and 796.47 is: 1,098.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356.01 : 1,870.67 = 796.47 : x
  2. Step 2: Convert to fraction form
    1,356.01/1,870.67 = 796.47/x
  3. Step 3: Cross multiply
    1,356.01x = 1,870.67 × 796.47
  4. Step 4: Simplify right side
    1,356.01x = 1,489,925.27
  5. Step 5: Solve for x
    x = 1,489,925.27/1,356.01
  6. Step 6: Final answer
    x = 1,098.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.