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Finding the Fourth Proportional to 9,413.19, 14,120.19 and 3,866.72

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Solution

The fourth proportional to 9,413.19, 14,120.19 and 3,866.72 is: 5,800.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,413.19 : 14,120.19 = 3,866.72 : x
  2. Step 2: Convert to fraction form
    9,413.19/14,120.19 = 3,866.72/x
  3. Step 3: Cross multiply
    9,413.19x = 14,120.19 × 3,866.72
  4. Step 4: Simplify right side
    9,413.19x = 54,598,750.48
  5. Step 5: Solve for x
    x = 54,598,750.48/9,413.19
  6. Step 6: Final answer
    x = 5,800.24

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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.