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Finding the Fourth Proportional to 29,271.61, 43,869.12 and 11,753.74

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Solution

The fourth proportional to 29,271.61, 43,869.12 and 11,753.74 is: 17,615.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,271.61 : 43,869.12 = 11,753.74 : x
  2. Step 2: Convert to fraction form
    29,271.61/43,869.12 = 11,753.74/x
  3. Step 3: Cross multiply
    29,271.61x = 43,869.12 × 11,753.74
  4. Step 4: Simplify right side
    29,271.61x = 515,626,230.51
  5. Step 5: Solve for x
    x = 515,626,230.51/29,271.61
  6. Step 6: Final answer
    x = 17,615.23

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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.