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Finding the Fourth Proportional to 25,302.84, 37,912.71 and 8,653.79

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Solution

The fourth proportional to 25,302.84, 37,912.71 and 8,653.79 is: 12,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,302.84 : 37,912.71 = 8,653.79 : x
  2. Step 2: Convert to fraction form
    25,302.84/37,912.71 = 8,653.79/x
  3. Step 3: Cross multiply
    25,302.84x = 37,912.71 × 8,653.79
  4. Step 4: Simplify right side
    25,302.84x = 328,088,451.92
  5. Step 5: Solve for x
    x = 328,088,451.92/25,302.84
  6. Step 6: Final answer
    x = 12,966.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.