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Finding the Fourth Proportional to 9,882, 14,823 and 2,956.50

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Solution

The fourth proportional to 9,882, 14,823 and 2,956.50 is: 4,434.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,882 : 14,823 = 2,956.50 : x
  2. Step 2: Convert to fraction form
    9,882/14,823 = 2,956.50/x
  3. Step 3: Cross multiply
    9,882x = 14,823 × 2,956.50
  4. Step 4: Simplify right side
    9,882x = 43,824,199.50
  5. Step 5: Solve for x
    x = 43,824,199.50/9,882
  6. Step 6: Final answer
    x = 4,434.75

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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.