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Finding the Fourth Proportional to 17,801.76, 26,702.62 and 7,413.50

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Solution

The fourth proportional to 17,801.76, 26,702.62 and 7,413.50 is: 11,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.76 : 26,702.62 = 7,413.50 : x
  2. Step 2: Convert to fraction form
    17,801.76/26,702.62 = 7,413.50/x
  3. Step 3: Cross multiply
    17,801.76x = 26,702.62 × 7,413.50
  4. Step 4: Simplify right side
    17,801.76x = 197,959,873.37
  5. Step 5: Solve for x
    x = 197,959,873.37/17,801.76
  6. Step 6: Final answer
    x = 11,120.24

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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.