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Finding the Fourth Proportional to 19,203.41, 28,810.76 and 9,849.94

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Solution

The fourth proportional to 19,203.41, 28,810.76 and 9,849.94 is: 14,777.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,203.41 : 28,810.76 = 9,849.94 : x
  2. Step 2: Convert to fraction form
    19,203.41/28,810.76 = 9,849.94/x
  3. Step 3: Cross multiply
    19,203.41x = 28,810.76 × 9,849.94
  4. Step 4: Simplify right side
    19,203.41x = 283,784,136.08
  5. Step 5: Solve for x
    x = 283,784,136.08/19,203.41
  6. Step 6: Final answer
    x = 14,777.80

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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.