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Finding the Fourth Proportional to 14,489,321.70, 21,686,743.35 and 14,489,321.70

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Solution

The fourth proportional to 14,489,321.70, 21,686,743.35 and 14,489,321.70 is: 21,686,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,489,321.70 : 21,686,743.35 = 14,489,321.70 : x
  2. Step 2: Convert to fraction form
    14,489,321.70/21,686,743.35 = 14,489,321.70/x
  3. Step 3: Cross multiply
    14,489,321.70x = 21,686,743.35 × 14,489,321.70
  4. Step 4: Simplify right side
    14,489,321.70x = 314,226,201,023,485.69
  5. Step 5: Solve for x
    x = 314,226,201,023,485.69/14,489,321.70
  6. Step 6: Final answer
    x = 21,686,743.35

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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.