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Finding the Fourth Proportional to 25,653.89, 38,484.86 and 10,862.88

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Solution

The fourth proportional to 25,653.89, 38,484.86 and 10,862.88 is: 16,296.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,653.89 : 38,484.86 = 10,862.88 : x
  2. Step 2: Convert to fraction form
    25,653.89/38,484.86 = 10,862.88/x
  3. Step 3: Cross multiply
    25,653.89x = 38,484.86 × 10,862.88
  4. Step 4: Simplify right side
    25,653.89x = 418,056,361.68
  5. Step 5: Solve for x
    x = 418,056,361.68/25,653.89
  6. Step 6: Final answer
    x = 16,296.03

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1.5x scale

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.