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Finding the Fourth Proportional to 8,751,301.81, 12,076,989.99 and 4,831,048.88

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Solution

The fourth proportional to 8,751,301.81, 12,076,989.99 and 4,831,048.88 is: 6,666,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751,301.81 : 12,076,989.99 = 4,831,048.88 : x
  2. Step 2: Convert to fraction form
    8,751,301.81/12,076,989.99 = 4,831,048.88/x
  3. Step 3: Cross multiply
    8,751,301.81x = 12,076,989.99 × 4,831,048.88
  4. Step 4: Simplify right side
    8,751,301.81x = 58,344,528,958,922.70
  5. Step 5: Solve for x
    x = 58,344,528,958,922.70/8,751,301.81
  6. Step 6: Final answer
    x = 6,666,954.27

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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.