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Finding the Fourth Proportional to 48,740, 73,110.40 and 11,804

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Solution

The fourth proportional to 48,740, 73,110.40 and 11,804 is: 17,706.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,740 : 73,110.40 = 11,804 : x
  2. Step 2: Convert to fraction form
    48,740/73,110.40 = 11,804/x
  3. Step 3: Cross multiply
    48,740x = 73,110.40 × 11,804
  4. Step 4: Simplify right side
    48,740x = 862,995,161.60
  5. Step 5: Solve for x
    x = 862,995,161.60/48,740
  6. Step 6: Final answer
    x = 17,706.10

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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.