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Finding the Fourth Proportional to 8,997.76, 13,468.96 and 5,871.03

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Solution

The fourth proportional to 8,997.76, 13,468.96 and 5,871.03 is: 8,788.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,997.76 : 13,468.96 = 5,871.03 : x
  2. Step 2: Convert to fraction form
    8,997.76/13,468.96 = 5,871.03/x
  3. Step 3: Cross multiply
    8,997.76x = 13,468.96 × 5,871.03
  4. Step 4: Simplify right side
    8,997.76x = 79,076,653.55
  5. Step 5: Solve for x
    x = 79,076,653.55/8,997.76
  6. Step 6: Final answer
    x = 8,788.48

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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.