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Finding the Fourth Proportional to 12,462,212.20, 17,494,283 and 12,462,212.20

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Solution

The fourth proportional to 12,462,212.20, 17,494,283 and 12,462,212.20 is: 17,494,283

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462,212.20 : 17,494,283 = 12,462,212.20 : x
  2. Step 2: Convert to fraction form
    12,462,212.20/17,494,283 = 12,462,212.20/x
  3. Step 3: Cross multiply
    12,462,212.20x = 17,494,283 × 12,462,212.20
  4. Step 4: Simplify right side
    12,462,212.20x = 218,017,467,032,852.59
  5. Step 5: Solve for x
    x = 218,017,467,032,852.59/12,462,212.20
  6. Step 6: Final answer
    x = 17,494,283

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Double scale
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1.5x scale

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.