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Finding the Fourth Proportional to 16,451.52, 24,678.48 and 4,764.80

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Solution

The fourth proportional to 16,451.52, 24,678.48 and 4,764.80 is: 7,147.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,451.52 : 24,678.48 = 4,764.80 : x
  2. Step 2: Convert to fraction form
    16,451.52/24,678.48 = 4,764.80/x
  3. Step 3: Cross multiply
    16,451.52x = 24,678.48 × 4,764.80
  4. Step 4: Simplify right side
    16,451.52x = 117,588,021.50
  5. Step 5: Solve for x
    x = 117,588,021.50/16,451.52
  6. Step 6: Final answer
    x = 7,147.55

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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.