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Finding the Fourth Proportional to 8,166.98, 12,250.44 and 6,526.74

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Solution

The fourth proportional to 8,166.98, 12,250.44 and 6,526.74 is: 9,790.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.98 : 12,250.44 = 6,526.74 : x
  2. Step 2: Convert to fraction form
    8,166.98/12,250.44 = 6,526.74/x
  3. Step 3: Cross multiply
    8,166.98x = 12,250.44 × 6,526.74
  4. Step 4: Simplify right side
    8,166.98x = 79,955,436.77
  5. Step 5: Solve for x
    x = 79,955,436.77/8,166.98
  6. Step 6: Final answer
    x = 9,790.09

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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.