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Finding the Fourth Proportional to 8,998.29, 12,413.10 and 6,018.09

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Solution

The fourth proportional to 8,998.29, 12,413.10 and 6,018.09 is: 8,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,998.29 : 12,413.10 = 6,018.09 : x
  2. Step 2: Convert to fraction form
    8,998.29/12,413.10 = 6,018.09/x
  3. Step 3: Cross multiply
    8,998.29x = 12,413.10 × 6,018.09
  4. Step 4: Simplify right side
    8,998.29x = 74,703,152.98
  5. Step 5: Solve for x
    x = 74,703,152.98/8,998.29
  6. Step 6: Final answer
    x = 8,301.93

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1.5x scale

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.