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Finding the Fourth Proportional to 18,608,209.02, 27,914,064.03 and 5,477,635.53

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Solution

The fourth proportional to 18,608,209.02, 27,914,064.03 and 5,477,635.53 is: 8,216,968.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,608,209.02 : 27,914,064.03 = 5,477,635.53 : x
  2. Step 2: Convert to fraction form
    18,608,209.02/27,914,064.03 = 5,477,635.53/x
  3. Step 3: Cross multiply
    18,608,209.02x = 27,914,064.03 × 5,477,635.53
  4. Step 4: Simplify right side
    18,608,209.02x = 152,903,068,917,423
  5. Step 5: Solve for x
    x = 152,903,068,917,423/18,608,209.02
  6. Step 6: Final answer
    x = 8,216,968.58

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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.