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Finding the Fourth Proportional to 4,648.51, 6,413.12 and 2,658

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Solution

The fourth proportional to 4,648.51, 6,413.12 and 2,658 is: 3,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,648.51 : 6,413.12 = 2,658 : x
  2. Step 2: Convert to fraction form
    4,648.51/6,413.12 = 2,658/x
  3. Step 3: Cross multiply
    4,648.51x = 6,413.12 × 2,658
  4. Step 4: Simplify right side
    4,648.51x = 17,046,072.96
  5. Step 5: Solve for x
    x = 17,046,072.96/4,648.51
  6. Step 6: Final answer
    x = 3,667.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.