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Finding the Fourth Proportional to 23,756.88, 32,750.28 and 16,661.28

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Solution

The fourth proportional to 23,756.88, 32,750.28 and 16,661.28 is: 22,968.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,756.88 : 32,750.28 = 16,661.28 : x
  2. Step 2: Convert to fraction form
    23,756.88/32,750.28 = 16,661.28/x
  3. Step 3: Cross multiply
    23,756.88x = 32,750.28 × 16,661.28
  4. Step 4: Simplify right side
    23,756.88x = 545,661,585.16
  5. Step 5: Solve for x
    x = 545,661,585.16/23,756.88
  6. Step 6: Final answer
    x = 22,968.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.