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Finding the Fourth Proportional to 8,982,164.03, 12,395,374.13 and 5,114,685.18

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Solution

The fourth proportional to 8,982,164.03, 12,395,374.13 and 5,114,685.18 is: 7,058,258.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,982,164.03 : 12,395,374.13 = 5,114,685.18 : x
  2. Step 2: Convert to fraction form
    8,982,164.03/12,395,374.13 = 5,114,685.18/x
  3. Step 3: Cross multiply
    8,982,164.03x = 12,395,374.13 × 5,114,685.18
  4. Step 4: Simplify right side
    8,982,164.03x = 63,398,436,324,041.67
  5. Step 5: Solve for x
    x = 63,398,436,324,041.67/8,982,164.03
  6. Step 6: Final answer
    x = 7,058,258.58

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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.