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Finding the Fourth Proportional to 16,866.88, 23,277.95 and 9,792.88

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Solution

The fourth proportional to 16,866.88, 23,277.95 and 9,792.88 is: 13,515.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,866.88 : 23,277.95 = 9,792.88 : x
  2. Step 2: Convert to fraction form
    16,866.88/23,277.95 = 9,792.88/x
  3. Step 3: Cross multiply
    16,866.88x = 23,277.95 × 9,792.88
  4. Step 4: Simplify right side
    16,866.88x = 227,958,171.00
  5. Step 5: Solve for x
    x = 227,958,171.00/16,866.88
  6. Step 6: Final answer
    x = 13,515.14

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1.5x scale

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.