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Finding the Fourth Proportional to 8,836,603.20, 13,258,015.20 and 4,345,876.80

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Solution

The fourth proportional to 8,836,603.20, 13,258,015.20 and 4,345,876.80 is: 6,520,344.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,836,603.20 : 13,258,015.20 = 4,345,876.80 : x
  2. Step 2: Convert to fraction form
    8,836,603.20/13,258,015.20 = 4,345,876.80/x
  3. Step 3: Cross multiply
    8,836,603.20x = 13,258,015.20 × 4,345,876.80
  4. Step 4: Simplify right side
    8,836,603.20x = 57,617,700,671,727.35
  5. Step 5: Solve for x
    x = 57,617,700,671,727.35/8,836,603.20
  6. Step 6: Final answer
    x = 6,520,344.91

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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.