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Finding the Fourth Proportional to 61,754.70, 85,221.54 and 33,460.39

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Solution

The fourth proportional to 61,754.70, 85,221.54 and 33,460.39 is: 46,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.70 : 85,221.54 = 33,460.39 : x
  2. Step 2: Convert to fraction form
    61,754.70/85,221.54 = 33,460.39/x
  3. Step 3: Cross multiply
    61,754.70x = 85,221.54 × 33,460.39
  4. Step 4: Simplify right side
    61,754.70x = 2,851,545,538.69
  5. Step 5: Solve for x
    x = 2,851,545,538.69/61,754.70
  6. Step 6: Final answer
    x = 46,175.36

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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.