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Finding the Fourth Proportional to 12,737.46, 19,085.97 and 8,562.09

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Solution

The fourth proportional to 12,737.46, 19,085.97 and 8,562.09 is: 12,829.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,737.46 : 19,085.97 = 8,562.09 : x
  2. Step 2: Convert to fraction form
    12,737.46/19,085.97 = 8,562.09/x
  3. Step 3: Cross multiply
    12,737.46x = 19,085.97 × 8,562.09
  4. Step 4: Simplify right side
    12,737.46x = 163,415,792.88
  5. Step 5: Solve for x
    x = 163,415,792.88/12,737.46
  6. Step 6: Final answer
    x = 12,829.54

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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.