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Finding the Fourth Proportional to 56,149.40, 84,101.09 and 26,477.28

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Solution

The fourth proportional to 56,149.40, 84,101.09 and 26,477.28 is: 39,657.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,149.40 : 84,101.09 = 26,477.28 : x
  2. Step 2: Convert to fraction form
    56,149.40/84,101.09 = 26,477.28/x
  3. Step 3: Cross multiply
    56,149.40x = 84,101.09 × 26,477.28
  4. Step 4: Simplify right side
    56,149.40x = 2,226,767,975.85
  5. Step 5: Solve for x
    x = 2,226,767,975.85/56,149.40
  6. Step 6: Final answer
    x = 39,657.91

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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.