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Finding the Fourth Proportional to 25,657.94, 35,413.86 and 15,050.99

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Solution

The fourth proportional to 25,657.94, 35,413.86 and 15,050.99 is: 20,773.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,657.94 : 35,413.86 = 15,050.99 : x
  2. Step 2: Convert to fraction form
    25,657.94/35,413.86 = 15,050.99/x
  3. Step 3: Cross multiply
    25,657.94x = 35,413.86 × 15,050.99
  4. Step 4: Simplify right side
    25,657.94x = 533,013,652.72
  5. Step 5: Solve for x
    x = 533,013,652.72/25,657.94
  6. Step 6: Final answer
    x = 20,773.83

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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.