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Finding the Fourth Proportional to 10,636.80, 15,955.74 and 4,062.03

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Solution

The fourth proportional to 10,636.80, 15,955.74 and 4,062.03 is: 6,093.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,636.80 : 15,955.74 = 4,062.03 : x
  2. Step 2: Convert to fraction form
    10,636.80/15,955.74 = 4,062.03/x
  3. Step 3: Cross multiply
    10,636.80x = 15,955.74 × 4,062.03
  4. Step 4: Simplify right side
    10,636.80x = 64,812,694.55
  5. Step 5: Solve for x
    x = 64,812,694.55/10,636.80
  6. Step 6: Final answer
    x = 6,093.25

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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.