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Finding the Fourth Proportional to 43,953.60, 65,928.28 and 14,367.52

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Solution

The fourth proportional to 43,953.60, 65,928.28 and 14,367.52 is: 21,550.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,953.60 : 65,928.28 = 14,367.52 : x
  2. Step 2: Convert to fraction form
    43,953.60/65,928.28 = 14,367.52/x
  3. Step 3: Cross multiply
    43,953.60x = 65,928.28 × 14,367.52
  4. Step 4: Simplify right side
    43,953.60x = 947,225,881.47
  5. Step 5: Solve for x
    x = 947,225,881.47/43,953.60
  6. Step 6: Final answer
    x = 21,550.59

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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.