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Finding the Fourth Proportional to 6,903,662.80, 10,355,488.73 and 1,854,973.30

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Solution

The fourth proportional to 6,903,662.80, 10,355,488.73 and 1,854,973.30 is: 2,782,458.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,903,662.80 : 10,355,488.73 = 1,854,973.30 : x
  2. Step 2: Convert to fraction form
    6,903,662.80/10,355,488.73 = 1,854,973.30/x
  3. Step 3: Cross multiply
    6,903,662.80x = 10,355,488.73 × 1,854,973.30
  4. Step 4: Simplify right side
    6,903,662.80x = 19,209,155,102,600.91
  5. Step 5: Solve for x
    x = 19,209,155,102,600.91/6,903,662.80
  6. Step 6: Final answer
    x = 2,782,458.48

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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.