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Finding the Fourth Proportional to 42,264.76, 63,408.99 and 16,982.03

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Solution

The fourth proportional to 42,264.76, 63,408.99 and 16,982.03 is: 25,477.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,264.76 : 63,408.99 = 16,982.03 : x
  2. Step 2: Convert to fraction form
    42,264.76/63,408.99 = 16,982.03/x
  3. Step 3: Cross multiply
    42,264.76x = 63,408.99 × 16,982.03
  4. Step 4: Simplify right side
    42,264.76x = 1,076,812,968.49
  5. Step 5: Solve for x
    x = 1,076,812,968.49/42,264.76
  6. Step 6: Final answer
    x = 25,477.80

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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.