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Finding the Fourth Proportional to 19,610.73, 29,413.65 and 11,610.25

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Solution

The fourth proportional to 19,610.73, 29,413.65 and 11,610.25 is: 17,413.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,610.73 : 29,413.65 = 11,610.25 : x
  2. Step 2: Convert to fraction form
    19,610.73/29,413.65 = 11,610.25/x
  3. Step 3: Cross multiply
    19,610.73x = 29,413.65 × 11,610.25
  4. Step 4: Simplify right side
    19,610.73x = 341,499,829.91
  5. Step 5: Solve for x
    x = 341,499,829.91/19,610.73
  6. Step 6: Final answer
    x = 17,413.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.