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Finding the Fourth Proportional to 11,788.98, 16,269.48 and 6,754.77

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Solution

The fourth proportional to 11,788.98, 16,269.48 and 6,754.77 is: 9,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,788.98 : 16,269.48 = 6,754.77 : x
  2. Step 2: Convert to fraction form
    11,788.98/16,269.48 = 6,754.77/x
  3. Step 3: Cross multiply
    11,788.98x = 16,269.48 × 6,754.77
  4. Step 4: Simplify right side
    11,788.98x = 109,896,595.42
  5. Step 5: Solve for x
    x = 109,896,595.42/11,788.98
  6. Step 6: Final answer
    x = 9,321.98

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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.