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Finding the Fourth Proportional to 11,253.44, 15,529.74 and 6,285.44

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Solution

The fourth proportional to 11,253.44, 15,529.74 and 6,285.44 is: 8,673.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,253.44 : 15,529.74 = 6,285.44 : x
  2. Step 2: Convert to fraction form
    11,253.44/15,529.74 = 6,285.44/x
  3. Step 3: Cross multiply
    11,253.44x = 15,529.74 × 6,285.44
  4. Step 4: Simplify right side
    11,253.44x = 97,611,248.99
  5. Step 5: Solve for x
    x = 97,611,248.99/11,253.44
  6. Step 6: Final answer
    x = 8,673.90

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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.