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Finding the Fourth Proportional to 6,782,893.60, 10,174,340.40 and 6,145,164.40

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Solution

The fourth proportional to 6,782,893.60, 10,174,340.40 and 6,145,164.40 is: 9,217,746.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,782,893.60 : 10,174,340.40 = 6,145,164.40 : x
  2. Step 2: Convert to fraction form
    6,782,893.60/10,174,340.40 = 6,145,164.40/x
  3. Step 3: Cross multiply
    6,782,893.60x = 10,174,340.40 × 6,145,164.40
  4. Step 4: Simplify right side
    6,782,893.60x = 62,522,994,419,561.77
  5. Step 5: Solve for x
    x = 62,522,994,419,561.77/6,782,893.60
  6. Step 6: Final answer
    x = 9,217,746.60

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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.