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Finding the Fourth Proportional to 16,656.10, 24,984.15 and 16,072.90

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Solution

The fourth proportional to 16,656.10, 24,984.15 and 16,072.90 is: 24,109.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,656.10 : 24,984.15 = 16,072.90 : x
  2. Step 2: Convert to fraction form
    16,656.10/24,984.15 = 16,072.90/x
  3. Step 3: Cross multiply
    16,656.10x = 24,984.15 × 16,072.90
  4. Step 4: Simplify right side
    16,656.10x = 401,567,744.54
  5. Step 5: Solve for x
    x = 401,567,744.54/16,656.10
  6. Step 6: Final answer
    x = 24,109.35

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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.