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Finding the Fourth Proportional to 12,294,515.15, 17,237,515.45 and 12,294,515.15

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Solution

The fourth proportional to 12,294,515.15, 17,237,515.45 and 12,294,515.15 is: 17,237,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,294,515.15 : 17,237,515.45 = 12,294,515.15 : x
  2. Step 2: Convert to fraction form
    12,294,515.15/17,237,515.45 = 12,294,515.15/x
  3. Step 3: Cross multiply
    12,294,515.15x = 17,237,515.45 × 12,294,515.15
  4. Step 4: Simplify right side
    12,294,515.15x = 211,926,894,848,384.06
  5. Step 5: Solve for x
    x = 211,926,894,848,384.06/12,294,515.15
  6. Step 6: Final answer
    x = 17,237,515.45

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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.