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Finding the Fourth Proportional to 61,714.55, 85,166.34 and 33,420.26

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Solution

The fourth proportional to 61,714.55, 85,166.34 and 33,420.26 is: 46,120.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,714.55 : 85,166.34 = 33,420.26 : x
  2. Step 2: Convert to fraction form
    61,714.55/85,166.34 = 33,420.26/x
  3. Step 3: Cross multiply
    61,714.55x = 85,166.34 × 33,420.26
  4. Step 4: Simplify right side
    61,714.55x = 2,846,281,226.05
  5. Step 5: Solve for x
    x = 2,846,281,226.05/61,714.55
  6. Step 6: Final answer
    x = 46,120.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.