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Finding the Fourth Proportional to 18,413.01, 25,409.97 and 10,029.51

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Solution

The fourth proportional to 18,413.01, 25,409.97 and 10,029.51 is: 13,840.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,413.01 : 25,409.97 = 10,029.51 : x
  2. Step 2: Convert to fraction form
    18,413.01/25,409.97 = 10,029.51/x
  3. Step 3: Cross multiply
    18,413.01x = 25,409.97 × 10,029.51
  4. Step 4: Simplify right side
    18,413.01x = 254,849,548.21
  5. Step 5: Solve for x
    x = 254,849,548.21/18,413.01
  6. Step 6: Final answer
    x = 13,840.73

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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.