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Finding the Fourth Proportional to 32,968.80, 49,420.80 and 16,331.40

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Solution

The fourth proportional to 32,968.80, 49,420.80 and 16,331.40 is: 24,481.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,968.80 : 49,420.80 = 16,331.40 : x
  2. Step 2: Convert to fraction form
    32,968.80/49,420.80 = 16,331.40/x
  3. Step 3: Cross multiply
    32,968.80x = 49,420.80 × 16,331.40
  4. Step 4: Simplify right side
    32,968.80x = 807,110,853.12
  5. Step 5: Solve for x
    x = 807,110,853.12/32,968.80
  6. Step 6: Final answer
    x = 24,481.05

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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.