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Finding the Fourth Proportional to 16,415.75, 24,621.29 and 9,372.90

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Solution

The fourth proportional to 16,415.75, 24,621.29 and 9,372.90 is: 14,058.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,415.75 : 24,621.29 = 9,372.90 : x
  2. Step 2: Convert to fraction form
    16,415.75/24,621.29 = 9,372.90/x
  3. Step 3: Cross multiply
    16,415.75x = 24,621.29 × 9,372.90
  4. Step 4: Simplify right side
    16,415.75x = 230,772,842.18
  5. Step 5: Solve for x
    x = 230,772,842.18/16,415.75
  6. Step 6: Final answer
    x = 14,058.02

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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.