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Finding the Fourth Proportional to 5,058.60, 7,604.10 and 3,607.80

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Solution

The fourth proportional to 5,058.60, 7,604.10 and 3,607.80 is: 5,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,058.60 : 7,604.10 = 3,607.80 : x
  2. Step 2: Convert to fraction form
    5,058.60/7,604.10 = 3,607.80/x
  3. Step 3: Cross multiply
    5,058.60x = 7,604.10 × 3,607.80
  4. Step 4: Simplify right side
    5,058.60x = 27,434,071.98
  5. Step 5: Solve for x
    x = 27,434,071.98/5,058.60
  6. Step 6: Final answer
    x = 5,423.25

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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.