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Finding the Fourth Proportional to 28,462.37, 39,275.09 and 16,523.37

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Solution

The fourth proportional to 28,462.37, 39,275.09 and 16,523.37 is: 22,800.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462.37 : 39,275.09 = 16,523.37 : x
  2. Step 2: Convert to fraction form
    28,462.37/39,275.09 = 16,523.37/x
  3. Step 3: Cross multiply
    28,462.37x = 39,275.09 × 16,523.37
  4. Step 4: Simplify right side
    28,462.37x = 648,956,859.42
  5. Step 5: Solve for x
    x = 648,956,859.42/28,462.37
  6. Step 6: Final answer
    x = 22,800.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.