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Finding the Fourth Proportional to 26,797.02, 36,978.08 and 14,859.92

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Solution

The fourth proportional to 26,797.02, 36,978.08 and 14,859.92 is: 20,505.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,797.02 : 36,978.08 = 14,859.92 : x
  2. Step 2: Convert to fraction form
    26,797.02/36,978.08 = 14,859.92/x
  3. Step 3: Cross multiply
    26,797.02x = 36,978.08 × 14,859.92
  4. Step 4: Simplify right side
    26,797.02x = 549,491,051.36
  5. Step 5: Solve for x
    x = 549,491,051.36/26,797.02
  6. Step 6: Final answer
    x = 20,505.68

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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.