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Finding the Fourth Proportional to 3,362.90, 5,018.91 and 3,275.42

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Solution

The fourth proportional to 3,362.90, 5,018.91 and 3,275.42 is: 4,888.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,362.90 : 5,018.91 = 3,275.42 : x
  2. Step 2: Convert to fraction form
    3,362.90/5,018.91 = 3,275.42/x
  3. Step 3: Cross multiply
    3,362.90x = 5,018.91 × 3,275.42
  4. Step 4: Simplify right side
    3,362.90x = 16,439,038.19
  5. Step 5: Solve for x
    x = 16,439,038.19/3,362.90
  6. Step 6: Final answer
    x = 4,888.35

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.