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Finding the Fourth Proportional to 28,462, 39,277.48 and 16,532.24

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Solution

The fourth proportional to 28,462, 39,277.48 and 16,532.24 is: 22,814.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,462 : 39,277.48 = 16,532.24 : x
  2. Step 2: Convert to fraction form
    28,462/39,277.48 = 16,532.24/x
  3. Step 3: Cross multiply
    28,462x = 39,277.48 × 16,532.24
  4. Step 4: Simplify right side
    28,462x = 649,344,725.96
  5. Step 5: Solve for x
    x = 649,344,725.96/28,462
  6. Step 6: Final answer
    x = 22,814.44

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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.