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Finding the Fourth Proportional to 12,710,293.16, 17,548,650.03 and 9,764,863.43

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Solution

The fourth proportional to 12,710,293.16, 17,548,650.03 and 9,764,863.43 is: 13,481,999.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,710,293.16 : 17,548,650.03 = 9,764,863.43 : x
  2. Step 2: Convert to fraction form
    12,710,293.16/17,548,650.03 = 9,764,863.43/x
  3. Step 3: Cross multiply
    12,710,293.16x = 17,548,650.03 × 9,764,863.43
  4. Step 4: Simplify right side
    12,710,293.16x = 171,360,170,836,072.19
  5. Step 5: Solve for x
    x = 171,360,170,836,072.19/12,710,293.16
  6. Step 6: Final answer
    x = 13,481,999.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.