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Finding the Fourth Proportional to 19,465,087.65, 29,197,631.48 and 19,465,087.65

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Solution

The fourth proportional to 19,465,087.65, 29,197,631.48 and 19,465,087.65 is: 29,197,631.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,465,087.65 : 29,197,631.48 = 19,465,087.65 : x
  2. Step 2: Convert to fraction form
    19,465,087.65/29,197,631.48 = 19,465,087.65/x
  3. Step 3: Cross multiply
    19,465,087.65x = 29,197,631.48 × 19,465,087.65
  4. Step 4: Simplify right side
    19,465,087.65x = 568,334,455,833,273.75
  5. Step 5: Solve for x
    x = 568,334,455,833,273.75/19,465,087.65
  6. Step 6: Final answer
    x = 29,197,631.48

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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.