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Finding the Fourth Proportional to 10,810.14, 16,215.20 and 2,602.14

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Solution

The fourth proportional to 10,810.14, 16,215.20 and 2,602.14 is: 3,903.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,810.14 : 16,215.20 = 2,602.14 : x
  2. Step 2: Convert to fraction form
    10,810.14/16,215.20 = 2,602.14/x
  3. Step 3: Cross multiply
    10,810.14x = 16,215.20 × 2,602.14
  4. Step 4: Simplify right side
    10,810.14x = 42,194,220.53
  5. Step 5: Solve for x
    x = 42,194,220.53/10,810.14
  6. Step 6: Final answer
    x = 3,903.21

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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.