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Finding the Fourth Proportional to 12,509,802, 17,263,410.12 and 7,077,294

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Solution

The fourth proportional to 12,509,802, 17,263,410.12 and 7,077,294 is: 9,766,599.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,802 : 17,263,410.12 = 7,077,294 : x
  2. Step 2: Convert to fraction form
    12,509,802/17,263,410.12 = 7,077,294/x
  3. Step 3: Cross multiply
    12,509,802x = 17,263,410.12 × 7,077,294
  4. Step 4: Simplify right side
    12,509,802x = 122,178,228,861,815.28
  5. Step 5: Solve for x
    x = 122,178,228,861,815.28/12,509,802
  6. Step 6: Final answer
    x = 9,766,599.73

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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.