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Finding the Fourth Proportional to 12,003.03, 16,548.08 and 8,413.16

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Solution

The fourth proportional to 12,003.03, 16,548.08 and 8,413.16 is: 11,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,003.03 : 16,548.08 = 8,413.16 : x
  2. Step 2: Convert to fraction form
    12,003.03/16,548.08 = 8,413.16/x
  3. Step 3: Cross multiply
    12,003.03x = 16,548.08 × 8,413.16
  4. Step 4: Simplify right side
    12,003.03x = 139,221,644.73
  5. Step 5: Solve for x
    x = 139,221,644.73/12,003.03
  6. Step 6: Final answer
    x = 11,598.88

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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.