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Finding the Fourth Proportional to 8,986,812.10, 13,480,218.15 and 5,963,503.30

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Solution

The fourth proportional to 8,986,812.10, 13,480,218.15 and 5,963,503.30 is: 8,945,254.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,986,812.10 : 13,480,218.15 = 5,963,503.30 : x
  2. Step 2: Convert to fraction form
    8,986,812.10/13,480,218.15 = 5,963,503.30/x
  3. Step 3: Cross multiply
    8,986,812.10x = 13,480,218.15 × 5,963,503.30
  4. Step 4: Simplify right side
    8,986,812.10x = 80,389,325,422,244.89
  5. Step 5: Solve for x
    x = 80,389,325,422,244.89/8,986,812.10
  6. Step 6: Final answer
    x = 8,945,254.95

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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.