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Finding the Fourth Proportional to 16,885.84, 25,328.76 and 7,523.44

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Solution

The fourth proportional to 16,885.84, 25,328.76 and 7,523.44 is: 11,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.84 : 25,328.76 = 7,523.44 : x
  2. Step 2: Convert to fraction form
    16,885.84/25,328.76 = 7,523.44/x
  3. Step 3: Cross multiply
    16,885.84x = 25,328.76 × 7,523.44
  4. Step 4: Simplify right side
    16,885.84x = 190,559,406.13
  5. Step 5: Solve for x
    x = 190,559,406.13/16,885.84
  6. Step 6: Final answer
    x = 11,285.16

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Similar ratio
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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.