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Finding the Fourth Proportional to 5,360.84, 8,040.88 and 1,662.98

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Solution

The fourth proportional to 5,360.84, 8,040.88 and 1,662.98 is: 2,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,360.84 : 8,040.88 = 1,662.98 : x
  2. Step 2: Convert to fraction form
    5,360.84/8,040.88 = 1,662.98/x
  3. Step 3: Cross multiply
    5,360.84x = 8,040.88 × 1,662.98
  4. Step 4: Simplify right side
    5,360.84x = 13,371,807.11
  5. Step 5: Solve for x
    x = 13,371,807.11/5,360.84
  6. Step 6: Final answer
    x = 2,494.35

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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.