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Finding the Fourth Proportional to 35,279.76, 52,905.04 and 15,007.92

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Solution

The fourth proportional to 35,279.76, 52,905.04 and 15,007.92 is: 22,505.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.76 : 52,905.04 = 15,007.92 : x
  2. Step 2: Convert to fraction form
    35,279.76/52,905.04 = 15,007.92/x
  3. Step 3: Cross multiply
    35,279.76x = 52,905.04 × 15,007.92
  4. Step 4: Simplify right side
    35,279.76x = 793,994,607.92
  5. Step 5: Solve for x
    x = 793,994,607.92/35,279.76
  6. Step 6: Final answer
    x = 22,505.67

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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.