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Finding the Fourth Proportional to 1,376.03, 1,898.89 and 746.53

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Solution

The fourth proportional to 1,376.03, 1,898.89 and 746.53 is: 1,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376.03 : 1,898.89 = 746.53 : x
  2. Step 2: Convert to fraction form
    1,376.03/1,898.89 = 746.53/x
  3. Step 3: Cross multiply
    1,376.03x = 1,898.89 × 746.53
  4. Step 4: Simplify right side
    1,376.03x = 1,417,578.35
  5. Step 5: Solve for x
    x = 1,417,578.35/1,376.03
  6. Step 6: Final answer
    x = 1,030.19

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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.