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Finding the Fourth Proportional to 61,754.48, 85,221.54 and 33,460.19

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Solution

The fourth proportional to 61,754.48, 85,221.54 and 33,460.19 is: 46,175.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,754.48 : 85,221.54 = 33,460.19 : x
  2. Step 2: Convert to fraction form
    61,754.48/85,221.54 = 33,460.19/x
  3. Step 3: Cross multiply
    61,754.48x = 85,221.54 × 33,460.19
  4. Step 4: Simplify right side
    61,754.48x = 2,851,528,494.38
  5. Step 5: Solve for x
    x = 2,851,528,494.38/61,754.48
  6. Step 6: Final answer
    x = 46,175.25

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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.