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Finding the Fourth Proportional to 2,038.16, 3,055.42 and 739.34

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Solution

The fourth proportional to 2,038.16, 3,055.42 and 739.34 is: 1,108.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.16 : 3,055.42 = 739.34 : x
  2. Step 2: Convert to fraction form
    2,038.16/3,055.42 = 739.34/x
  3. Step 3: Cross multiply
    2,038.16x = 3,055.42 × 739.34
  4. Step 4: Simplify right side
    2,038.16x = 2,258,994.22
  5. Step 5: Solve for x
    x = 2,258,994.22/2,038.16
  6. Step 6: Final answer
    x = 1,108.35

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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.