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Finding the Fourth Proportional to 44,666, 66,993.60 and 14,678.72

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Solution

The fourth proportional to 44,666, 66,993.60 and 14,678.72 is: 22,016.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,666 : 66,993.60 = 14,678.72 : x
  2. Step 2: Convert to fraction form
    44,666/66,993.60 = 14,678.72/x
  3. Step 3: Cross multiply
    44,666x = 66,993.60 × 14,678.72
  4. Step 4: Simplify right side
    44,666x = 983,380,296.19
  5. Step 5: Solve for x
    x = 983,380,296.19/44,666
  6. Step 6: Final answer
    x = 22,016.31

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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.