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Finding the Fourth Proportional to 3,599.70, 5,400.54 and 3,055.74

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Solution

The fourth proportional to 3,599.70, 5,400.54 and 3,055.74 is: 4,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,599.70 : 5,400.54 = 3,055.74 : x
  2. Step 2: Convert to fraction form
    3,599.70/5,400.54 = 3,055.74/x
  3. Step 3: Cross multiply
    3,599.70x = 5,400.54 × 3,055.74
  4. Step 4: Simplify right side
    3,599.70x = 16,502,646.10
  5. Step 5: Solve for x
    x = 16,502,646.10/3,599.70
  6. Step 6: Final answer
    x = 4,584.45

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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.