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Finding the Fourth Proportional to 8,483,485.65, 12,725,228.48 and 8,483,485.65

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Solution

The fourth proportional to 8,483,485.65, 12,725,228.48 and 8,483,485.65 is: 12,725,228.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,483,485.65 : 12,725,228.48 = 8,483,485.65 : x
  2. Step 2: Convert to fraction form
    8,483,485.65/12,725,228.48 = 8,483,485.65/x
  3. Step 3: Cross multiply
    8,483,485.65x = 12,725,228.48 × 8,483,485.65
  4. Step 4: Simplify right side
    8,483,485.65x = 107,954,293,160,633.89
  5. Step 5: Solve for x
    x = 107,954,293,160,633.89/8,483,485.65
  6. Step 6: Final answer
    x = 12,725,228.48

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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.