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Finding the Fourth Proportional to 16,309.80, 24,464.70 and 7,561.80

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Solution

The fourth proportional to 16,309.80, 24,464.70 and 7,561.80 is: 11,342.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,309.80 : 24,464.70 = 7,561.80 : x
  2. Step 2: Convert to fraction form
    16,309.80/24,464.70 = 7,561.80/x
  3. Step 3: Cross multiply
    16,309.80x = 24,464.70 × 7,561.80
  4. Step 4: Simplify right side
    16,309.80x = 184,997,168.46
  5. Step 5: Solve for x
    x = 184,997,168.46/16,309.80
  6. Step 6: Final answer
    x = 11,342.70

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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.