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Finding the Fourth Proportional to 43,824.88, 65,695.71 and 14,222.01

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Solution

The fourth proportional to 43,824.88, 65,695.71 and 14,222.01 is: 21,319.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.88 : 65,695.71 = 14,222.01 : x
  2. Step 2: Convert to fraction form
    43,824.88/65,695.71 = 14,222.01/x
  3. Step 3: Cross multiply
    43,824.88x = 65,695.71 × 14,222.01
  4. Step 4: Simplify right side
    43,824.88x = 934,325,264.27
  5. Step 5: Solve for x
    x = 934,325,264.27/43,824.88
  6. Step 6: Final answer
    x = 21,319.52

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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.