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Finding the Fourth Proportional to 24,564, 33,898.32 and 13,386

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Solution

The fourth proportional to 24,564, 33,898.32 and 13,386 is: 18,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,564 : 33,898.32 = 13,386 : x
  2. Step 2: Convert to fraction form
    24,564/33,898.32 = 13,386/x
  3. Step 3: Cross multiply
    24,564x = 33,898.32 × 13,386
  4. Step 4: Simplify right side
    24,564x = 453,762,911.52
  5. Step 5: Solve for x
    x = 453,762,911.52/24,564
  6. Step 6: Final answer
    x = 18,472.68

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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.