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Finding the Fourth Proportional to 19,424.03, 29,136 and 8,323.52

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Solution

The fourth proportional to 19,424.03, 29,136 and 8,323.52 is: 12,485.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,424.03 : 29,136 = 8,323.52 : x
  2. Step 2: Convert to fraction form
    19,424.03/29,136 = 8,323.52/x
  3. Step 3: Cross multiply
    19,424.03x = 29,136 × 8,323.52
  4. Step 4: Simplify right side
    19,424.03x = 242,513,933.04
  5. Step 5: Solve for x
    x = 242,513,933.04/19,424.03
  6. Step 6: Final answer
    x = 12,485.26

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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.