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Finding the Fourth Proportional to 25,668.53, 38,502.95 and 7,898.99

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Solution

The fourth proportional to 25,668.53, 38,502.95 and 7,898.99 is: 11,848.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,668.53 : 38,502.95 = 7,898.99 : x
  2. Step 2: Convert to fraction form
    25,668.53/38,502.95 = 7,898.99/x
  3. Step 3: Cross multiply
    25,668.53x = 38,502.95 × 7,898.99
  4. Step 4: Simplify right side
    25,668.53x = 304,134,185.01
  5. Step 5: Solve for x
    x = 304,134,185.01/25,668.53
  6. Step 6: Final answer
    x = 11,848.52

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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.