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Finding the Fourth Proportional to 61,770.34, 85,240.78 and 33,475.42

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Solution

The fourth proportional to 61,770.34, 85,240.78 and 33,475.42 is: 46,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,770.34 : 85,240.78 = 33,475.42 : x
  2. Step 2: Convert to fraction form
    61,770.34/85,240.78 = 33,475.42/x
  3. Step 3: Cross multiply
    61,770.34x = 85,240.78 × 33,475.42
  4. Step 4: Simplify right side
    61,770.34x = 2,853,470,911.63
  5. Step 5: Solve for x
    x = 2,853,470,911.63/61,770.34
  6. Step 6: Final answer
    x = 46,194.84

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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.