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Finding the Fourth Proportional to 11,925,952.10, 17,888,928.15 and 11,925,952.10

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Solution

The fourth proportional to 11,925,952.10, 17,888,928.15 and 11,925,952.10 is: 17,888,928.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925,952.10 : 17,888,928.15 = 11,925,952.10 : x
  2. Step 2: Convert to fraction form
    11,925,952.10/17,888,928.15 = 11,925,952.10/x
  3. Step 3: Cross multiply
    11,925,952.10x = 17,888,928.15 × 11,925,952.10
  4. Step 4: Simplify right side
    11,925,952.10x = 213,342,500,237,241.59
  5. Step 5: Solve for x
    x = 213,342,500,237,241.59/11,925,952.10
  6. Step 6: Final answer
    x = 17,888,928.15

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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.