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Finding the Fourth Proportional to 9,073,609.20, 13,610,413.80 and 7,841,890.80

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Solution

The fourth proportional to 9,073,609.20, 13,610,413.80 and 7,841,890.80 is: 11,762,836.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,073,609.20 : 13,610,413.80 = 7,841,890.80 : x
  2. Step 2: Convert to fraction form
    9,073,609.20/13,610,413.80 = 7,841,890.80/x
  3. Step 3: Cross multiply
    9,073,609.20x = 13,610,413.80 × 7,841,890.80
  4. Step 4: Simplify right side
    9,073,609.20x = 106,731,378,762,413.05
  5. Step 5: Solve for x
    x = 106,731,378,762,413.05/9,073,609.20
  6. Step 6: Final answer
    x = 11,762,836.20

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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.