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Finding the Fourth Proportional to 43,497.81, 65,200.08 and 28,499.27

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Solution

The fourth proportional to 43,497.81, 65,200.08 and 28,499.27 is: 42,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,497.81 : 65,200.08 = 28,499.27 : x
  2. Step 2: Convert to fraction form
    43,497.81/65,200.08 = 28,499.27/x
  3. Step 3: Cross multiply
    43,497.81x = 65,200.08 × 28,499.27
  4. Step 4: Simplify right side
    43,497.81x = 1,858,154,378.45
  5. Step 5: Solve for x
    x = 1,858,154,378.45/43,497.81
  6. Step 6: Final answer
    x = 42,718.34

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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.