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Finding the Fourth Proportional to 12,265, 16,927.62 and 7,299.88

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Solution

The fourth proportional to 12,265, 16,927.62 and 7,299.88 is: 10,074.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,265 : 16,927.62 = 7,299.88 : x
  2. Step 2: Convert to fraction form
    12,265/16,927.62 = 7,299.88/x
  3. Step 3: Cross multiply
    12,265x = 16,927.62 × 7,299.88
  4. Step 4: Simplify right side
    12,265x = 123,569,594.69
  5. Step 5: Solve for x
    x = 123,569,594.69/12,265
  6. Step 6: Final answer
    x = 10,074.98

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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.