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Finding the Fourth Proportional to 18,435,924.60, 25,762,464.75 and 18,435,924.60

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Solution

The fourth proportional to 18,435,924.60, 25,762,464.75 and 18,435,924.60 is: 25,762,464.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435,924.60 : 25,762,464.75 = 18,435,924.60 : x
  2. Step 2: Convert to fraction form
    18,435,924.60/25,762,464.75 = 18,435,924.60/x
  3. Step 3: Cross multiply
    18,435,924.60x = 25,762,464.75 × 18,435,924.60
  4. Step 4: Simplify right side
    18,435,924.60x = 474,954,857,641,157.88
  5. Step 5: Solve for x
    x = 474,954,857,641,157.88/18,435,924.60
  6. Step 6: Final answer
    x = 25,762,464.75

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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.