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Finding the Fourth Proportional to 10,413.16, 15,619.74 and 4,869.11

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Solution

The fourth proportional to 10,413.16, 15,619.74 and 4,869.11 is: 7,303.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,413.16 : 15,619.74 = 4,869.11 : x
  2. Step 2: Convert to fraction form
    10,413.16/15,619.74 = 4,869.11/x
  3. Step 3: Cross multiply
    10,413.16x = 15,619.74 × 4,869.11
  4. Step 4: Simplify right side
    10,413.16x = 76,054,253.02
  5. Step 5: Solve for x
    x = 76,054,253.02/10,413.16
  6. Step 6: Final answer
    x = 7,303.67

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