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Finding the Fourth Proportional to 7,136.48, 9,848.36 and 3,950.00

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Solution

The fourth proportional to 7,136.48, 9,848.36 and 3,950.00 is: 5,451.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,136.48 : 9,848.36 = 3,950.00 : x
  2. Step 2: Convert to fraction form
    7,136.48/9,848.36 = 3,950.00/x
  3. Step 3: Cross multiply
    7,136.48x = 9,848.36 × 3,950.00
  4. Step 4: Simplify right side
    7,136.48x = 38,900,972.76
  5. Step 5: Solve for x
    x = 38,900,972.76/7,136.48
  6. Step 6: Final answer
    x = 5,451.00

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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.