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Finding the Fourth Proportional to 56,320.80, 84,491.40 and 26,738.40

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Solution

The fourth proportional to 56,320.80, 84,491.40 and 26,738.40 is: 40,112.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,320.80 : 84,491.40 = 26,738.40 : x
  2. Step 2: Convert to fraction form
    56,320.80/84,491.40 = 26,738.40/x
  3. Step 3: Cross multiply
    56,320.80x = 84,491.40 × 26,738.40
  4. Step 4: Simplify right side
    56,320.80x = 2,259,164,849.76
  5. Step 5: Solve for x
    x = 2,259,164,849.76/56,320.80
  6. Step 6: Final answer
    x = 40,112.44

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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.