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Finding the Fourth Proportional to 45,903.84, 68,858.88 and 14,737.20

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Solution

The fourth proportional to 45,903.84, 68,858.88 and 14,737.20 is: 22,106.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,903.84 : 68,858.88 = 14,737.20 : x
  2. Step 2: Convert to fraction form
    45,903.84/68,858.88 = 14,737.20/x
  3. Step 3: Cross multiply
    45,903.84x = 68,858.88 × 14,737.20
  4. Step 4: Simplify right side
    45,903.84x = 1,014,787,086.34
  5. Step 5: Solve for x
    x = 1,014,787,086.34/45,903.84
  6. Step 6: Final answer
    x = 22,106.80

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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.