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Finding the Fourth Proportional to 34,714.80, 52,072.20 and 26,420.40

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Solution

The fourth proportional to 34,714.80, 52,072.20 and 26,420.40 is: 39,630.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,714.80 : 52,072.20 = 26,420.40 : x
  2. Step 2: Convert to fraction form
    34,714.80/52,072.20 = 26,420.40/x
  3. Step 3: Cross multiply
    34,714.80x = 52,072.20 × 26,420.40
  4. Step 4: Simplify right side
    34,714.80x = 1,375,768,352.88
  5. Step 5: Solve for x
    x = 1,375,768,352.88/34,714.80
  6. Step 6: Final answer
    x = 39,630.60

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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.