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Finding the Fourth Proportional to 2,038.04, 3,055.16 and 739.16

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Solution

The fourth proportional to 2,038.04, 3,055.16 and 739.16 is: 1,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,038.04 : 3,055.16 = 739.16 : x
  2. Step 2: Convert to fraction form
    2,038.04/3,055.16 = 739.16/x
  3. Step 3: Cross multiply
    2,038.04x = 3,055.16 × 739.16
  4. Step 4: Simplify right side
    2,038.04x = 2,258,252.07
  5. Step 5: Solve for x
    x = 2,258,252.07/2,038.04
  6. Step 6: Final answer
    x = 1,108.05

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Why These Related Problems?

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