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Finding the Fourth Proportional to 79,805.63, 119,709.63 and 23,651.43

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Solution

The fourth proportional to 79,805.63, 119,709.63 and 23,651.43 is: 35,477.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,805.63 : 119,709.63 = 23,651.43 : x
  2. Step 2: Convert to fraction form
    79,805.63/119,709.63 = 23,651.43/x
  3. Step 3: Cross multiply
    79,805.63x = 119,709.63 × 23,651.43
  4. Step 4: Simplify right side
    79,805.63x = 2,831,304,294.49
  5. Step 5: Solve for x
    x = 2,831,304,294.49/79,805.63
  6. Step 6: Final answer
    x = 35,477.50

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1.5x scale

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.