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Finding the Fourth Proportional to 18,413.16, 25,410.16 and 10,029.66

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Solution

The fourth proportional to 18,413.16, 25,410.16 and 10,029.66 is: 13,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.16 : 25,410.16 = 10,029.66 : x
  2. Step 2: Convert to fraction form
    18,413.16/25,410.16 = 10,029.66/x
  3. Step 3: Cross multiply
    18,413.16x = 25,410.16 × 10,029.66
  4. Step 4: Simplify right side
    18,413.16x = 254,855,182.59
  5. Step 5: Solve for x
    x = 254,855,182.59/18,413.16
  6. Step 6: Final answer
    x = 13,840.93

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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.