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Finding the Fourth Proportional to 3,055.57, 4,583.35 and 747.07

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Solution

The fourth proportional to 3,055.57, 4,583.35 and 747.07 is: 1,120.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,055.57 : 4,583.35 = 747.07 : x
  2. Step 2: Convert to fraction form
    3,055.57/4,583.35 = 747.07/x
  3. Step 3: Cross multiply
    3,055.57x = 4,583.35 × 747.07
  4. Step 4: Simplify right side
    3,055.57x = 3,424,081.42
  5. Step 5: Solve for x
    x = 3,424,081.42/3,055.57
  6. Step 6: Final answer
    x = 1,120.60

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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.