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Finding the Fourth Proportional to 19,484.68, 26,885.44 and 11,524

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Solution

The fourth proportional to 19,484.68, 26,885.44 and 11,524 is: 15,901.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,484.68 : 26,885.44 = 11,524 : x
  2. Step 2: Convert to fraction form
    19,484.68/26,885.44 = 11,524/x
  3. Step 3: Cross multiply
    19,484.68x = 26,885.44 × 11,524
  4. Step 4: Simplify right side
    19,484.68x = 309,827,810.56
  5. Step 5: Solve for x
    x = 309,827,810.56/19,484.68
  6. Step 6: Final answer
    x = 15,901.10

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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.