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Finding the Fourth Proportional to 8,608,865.26, 11,881,073.20 and 6,429,625.01

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Solution

The fourth proportional to 8,608,865.26, 11,881,073.20 and 6,429,625.01 is: 8,873,509.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,608,865.26 : 11,881,073.20 = 6,429,625.01 : x
  2. Step 2: Convert to fraction form
    8,608,865.26/11,881,073.20 = 6,429,625.01/x
  3. Step 3: Cross multiply
    8,608,865.26x = 11,881,073.20 × 6,429,625.01
  4. Step 4: Simplify right side
    8,608,865.26x = 76,390,845,362,658.05
  5. Step 5: Solve for x
    x = 76,390,845,362,658.05/8,608,865.26
  6. Step 6: Final answer
    x = 8,873,509.23

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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.