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Finding the Fourth Proportional to 28,906.08, 43,364.98 and 16,432.08

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Solution

The fourth proportional to 28,906.08, 43,364.98 and 16,432.08 is: 24,651.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,906.08 : 43,364.98 = 16,432.08 : x
  2. Step 2: Convert to fraction form
    28,906.08/43,364.98 = 16,432.08/x
  3. Step 3: Cross multiply
    28,906.08x = 43,364.98 × 16,432.08
  4. Step 4: Simplify right side
    28,906.08x = 712,576,820.56
  5. Step 5: Solve for x
    x = 712,576,820.56/28,906.08
  6. Step 6: Final answer
    x = 24,651.45

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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.