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Finding the Fourth Proportional to 1,419.66, 2,124.86 and 1,003.41

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Solution

The fourth proportional to 1,419.66, 2,124.86 and 1,003.41 is: 1,501.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419.66 : 2,124.86 = 1,003.41 : x
  2. Step 2: Convert to fraction form
    1,419.66/2,124.86 = 1,003.41/x
  3. Step 3: Cross multiply
    1,419.66x = 2,124.86 × 1,003.41
  4. Step 4: Simplify right side
    1,419.66x = 2,132,100.76
  5. Step 5: Solve for x
    x = 2,132,100.76/1,419.66
  6. Step 6: Final answer
    x = 1,501.84

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