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Finding the Fourth Proportional to 61,953.89, 85,497.42 and 33,659.60

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Solution

The fourth proportional to 61,953.89, 85,497.42 and 33,659.60 is: 46,450.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,953.89 : 85,497.42 = 33,659.60 : x
  2. Step 2: Convert to fraction form
    61,953.89/85,497.42 = 33,659.60/x
  3. Step 3: Cross multiply
    61,953.89x = 85,497.42 × 33,659.60
  4. Step 4: Simplify right side
    61,953.89x = 2,877,808,958.23
  5. Step 5: Solve for x
    x = 2,877,808,958.23/61,953.89
  6. Step 6: Final answer
    x = 46,450.82

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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.