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Finding the Fourth Proportional to 1,365.05, 1,886.29 and 1,297.62

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Solution

The fourth proportional to 1,365.05, 1,886.29 and 1,297.62 is: 1,793.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365.05 : 1,886.29 = 1,297.62 : x
  2. Step 2: Convert to fraction form
    1,365.05/1,886.29 = 1,297.62/x
  3. Step 3: Cross multiply
    1,365.05x = 1,886.29 × 1,297.62
  4. Step 4: Simplify right side
    1,365.05x = 2,447,684.39
  5. Step 5: Solve for x
    x = 2,447,684.39/1,365.05
  6. Step 6: Final answer
    x = 1,793.11

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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.