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Finding the Fourth Proportional to 66,975.93, 100,462.28 and 17,056.14

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Solution

The fourth proportional to 66,975.93, 100,462.28 and 17,056.14 is: 25,583.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,975.93 : 100,462.28 = 17,056.14 : x
  2. Step 2: Convert to fraction form
    66,975.93/100,462.28 = 17,056.14/x
  3. Step 3: Cross multiply
    66,975.93x = 100,462.28 × 17,056.14
  4. Step 4: Simplify right side
    66,975.93x = 1,713,498,627.12
  5. Step 5: Solve for x
    x = 1,713,498,627.12/66,975.93
  6. Step 6: Final answer
    x = 25,583.80

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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.