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Finding the Fourth Proportional to 46,940.64, 70,269.51 and 30,267.51

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Solution

The fourth proportional to 46,940.64, 70,269.51 and 30,267.51 is: 45,310.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,940.64 : 70,269.51 = 30,267.51 : x
  2. Step 2: Convert to fraction form
    46,940.64/70,269.51 = 30,267.51/x
  3. Step 3: Cross multiply
    46,940.64x = 70,269.51 × 30,267.51
  4. Step 4: Simplify right side
    46,940.64x = 2,126,883,096.62
  5. Step 5: Solve for x
    x = 2,126,883,096.62/46,940.64
  6. Step 6: Final answer
    x = 45,310.06

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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.