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Finding the Fourth Proportional to 52,714.85, 79,059.85 and 19,416.83

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Solution

The fourth proportional to 52,714.85, 79,059.85 and 19,416.83 is: 29,120.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,714.85 : 79,059.85 = 19,416.83 : x
  2. Step 2: Convert to fraction form
    52,714.85/79,059.85 = 19,416.83/x
  3. Step 3: Cross multiply
    52,714.85x = 79,059.85 × 19,416.83
  4. Step 4: Simplify right side
    52,714.85x = 1,535,091,592.72
  5. Step 5: Solve for x
    x = 1,535,091,592.72/52,714.85
  6. Step 6: Final answer
    x = 29,120.67

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1.5x scale

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.