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Finding the Fourth Proportional to 6,603,107.60, 9,904,661.40 and 4,548,202.40

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Solution

The fourth proportional to 6,603,107.60, 9,904,661.40 and 4,548,202.40 is: 6,822,303.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603,107.60 : 9,904,661.40 = 4,548,202.40 : x
  2. Step 2: Convert to fraction form
    6,603,107.60/9,904,661.40 = 4,548,202.40/x
  3. Step 3: Cross multiply
    6,603,107.60x = 9,904,661.40 × 4,548,202.40
  4. Step 4: Simplify right side
    6,603,107.60x = 45,048,404,750,667.37
  5. Step 5: Solve for x
    x = 45,048,404,750,667.37/6,603,107.60
  6. Step 6: Final answer
    x = 6,822,303.60

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Similar ratio
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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.