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Finding the Fourth Proportional to 6,858,511.80, 9,589,319.40 and 6,858,511.80

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Solution

The fourth proportional to 6,858,511.80, 9,589,319.40 and 6,858,511.80 is: 9,589,319.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,858,511.80 : 9,589,319.40 = 6,858,511.80 : x
  2. Step 2: Convert to fraction form
    6,858,511.80/9,589,319.40 = 6,858,511.80/x
  3. Step 3: Cross multiply
    6,858,511.80x = 9,589,319.40 × 6,858,511.80
  4. Step 4: Simplify right side
    6,858,511.80x = 65,768,460,258,868.92
  5. Step 5: Solve for x
    x = 65,768,460,258,868.92/6,858,511.80
  6. Step 6: Final answer
    x = 9,589,319.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.