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Finding the Fourth Proportional to 56,503.78, 84,700.59 and 26,913.67

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Solution

The fourth proportional to 56,503.78, 84,700.59 and 26,913.67 is: 40,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,503.78 : 84,700.59 = 26,913.67 : x
  2. Step 2: Convert to fraction form
    56,503.78/84,700.59 = 26,913.67/x
  3. Step 3: Cross multiply
    56,503.78x = 84,700.59 × 26,913.67
  4. Step 4: Simplify right side
    56,503.78x = 2,279,603,728.07
  5. Step 5: Solve for x
    x = 2,279,603,728.07/56,503.78
  6. Step 6: Final answer
    x = 40,344.27

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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.