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Finding the Fourth Proportional to 43,338.60, 65,007.90 and 24,611.40

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Solution

The fourth proportional to 43,338.60, 65,007.90 and 24,611.40 is: 36,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,338.60 : 65,007.90 = 24,611.40 : x
  2. Step 2: Convert to fraction form
    43,338.60/65,007.90 = 24,611.40/x
  3. Step 3: Cross multiply
    43,338.60x = 65,007.90 × 24,611.40
  4. Step 4: Simplify right side
    43,338.60x = 1,599,935,430.06
  5. Step 5: Solve for x
    x = 1,599,935,430.06/43,338.60
  6. Step 6: Final answer
    x = 36,917.10

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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.