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Finding the Fourth Proportional to 1,403.76, 2,095.71 and 1,185.06

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Solution

The fourth proportional to 1,403.76, 2,095.71 and 1,185.06 is: 1,769.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403.76 : 2,095.71 = 1,185.06 : x
  2. Step 2: Convert to fraction form
    1,403.76/2,095.71 = 1,185.06/x
  3. Step 3: Cross multiply
    1,403.76x = 2,095.71 × 1,185.06
  4. Step 4: Simplify right side
    1,403.76x = 2,483,542.09
  5. Step 5: Solve for x
    x = 2,483,542.09/1,403.76
  6. Step 6: Final answer
    x = 1,769.21

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