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Finding the Fourth Proportional to 42,333, 63,537.57 and 22,628.40

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Solution

The fourth proportional to 42,333, 63,537.57 and 22,628.40 is: 33,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,333 : 63,537.57 = 22,628.40 : x
  2. Step 2: Convert to fraction form
    42,333/63,537.57 = 22,628.40/x
  3. Step 3: Cross multiply
    42,333x = 63,537.57 × 22,628.40
  4. Step 4: Simplify right side
    42,333x = 1,437,753,548.99
  5. Step 5: Solve for x
    x = 1,437,753,548.99/42,333
  6. Step 6: Final answer
    x = 33,962.95

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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.