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Finding the Fourth Proportional to 5,871,214.40, 8,806,821.60 and 5,647,265.60

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Solution

The fourth proportional to 5,871,214.40, 8,806,821.60 and 5,647,265.60 is: 8,470,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,871,214.40 : 8,806,821.60 = 5,647,265.60 : x
  2. Step 2: Convert to fraction form
    5,871,214.40/8,806,821.60 = 5,647,265.60/x
  3. Step 3: Cross multiply
    5,871,214.40x = 8,806,821.60 × 5,647,265.60
  4. Step 4: Simplify right side
    5,871,214.40x = 49,734,460,667,016.95
  5. Step 5: Solve for x
    x = 49,734,460,667,016.95/5,871,214.40
  6. Step 6: Final answer
    x = 8,470,898.40

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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.