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Finding the Fourth Proportional to 44,564.90, 66,865.35 and 19,609.70

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Solution

The fourth proportional to 44,564.90, 66,865.35 and 19,609.70 is: 29,422.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,564.90 : 66,865.35 = 19,609.70 : x
  2. Step 2: Convert to fraction form
    44,564.90/66,865.35 = 19,609.70/x
  3. Step 3: Cross multiply
    44,564.90x = 66,865.35 × 19,609.70
  4. Step 4: Simplify right side
    44,564.90x = 1,311,209,453.90
  5. Step 5: Solve for x
    x = 1,311,209,453.90/44,564.90
  6. Step 6: Final answer
    x = 29,422.47

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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.