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Finding the Fourth Proportional to 10,996.16, 16,496.16 and 4,840

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Solution

The fourth proportional to 10,996.16, 16,496.16 and 4,840 is: 7,260.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996.16 : 16,496.16 = 4,840 : x
  2. Step 2: Convert to fraction form
    10,996.16/16,496.16 = 4,840/x
  3. Step 3: Cross multiply
    10,996.16x = 16,496.16 × 4,840
  4. Step 4: Simplify right side
    10,996.16x = 79,841,414.40
  5. Step 5: Solve for x
    x = 79,841,414.40/10,996.16
  6. Step 6: Final answer
    x = 7,260.85

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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.