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Finding the Fourth Proportional to 26,456.52, 36,509.52 and 14,520

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Solution

The fourth proportional to 26,456.52, 36,509.52 and 14,520 is: 20,037.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,456.52 : 36,509.52 = 14,520 : x
  2. Step 2: Convert to fraction form
    26,456.52/36,509.52 = 14,520/x
  3. Step 3: Cross multiply
    26,456.52x = 36,509.52 × 14,520
  4. Step 4: Simplify right side
    26,456.52x = 530,118,230.40
  5. Step 5: Solve for x
    x = 530,118,230.40/26,456.52
  6. Step 6: Final answer
    x = 20,037.34

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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.