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Finding the Fourth Proportional to 13,608,464.90, 19,077,045.10 and 13,608,464.90

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Solution

The fourth proportional to 13,608,464.90, 19,077,045.10 and 13,608,464.90 is: 19,077,045.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608,464.90 : 19,077,045.10 = 13,608,464.90 : x
  2. Step 2: Convert to fraction form
    13,608,464.90/19,077,045.10 = 13,608,464.90/x
  3. Step 3: Cross multiply
    13,608,464.90x = 19,077,045.10 × 13,608,464.90
  4. Step 4: Simplify right side
    13,608,464.90x = 259,609,298,639,067.03
  5. Step 5: Solve for x
    x = 259,609,298,639,067.03/13,608,464.90
  6. Step 6: Final answer
    x = 19,077,045.10

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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.