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Finding the Fourth Proportional to 45,907.68, 68,855.02 and 14,738.88

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Solution

The fourth proportional to 45,907.68, 68,855.02 and 14,738.88 is: 22,106.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,907.68 : 68,855.02 = 14,738.88 : x
  2. Step 2: Convert to fraction form
    45,907.68/68,855.02 = 14,738.88/x
  3. Step 3: Cross multiply
    45,907.68x = 68,855.02 × 14,738.88
  4. Step 4: Simplify right side
    45,907.68x = 1,014,845,877.18
  5. Step 5: Solve for x
    x = 1,014,845,877.18/45,907.68
  6. Step 6: Final answer
    x = 22,106.23

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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.