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Finding the Fourth Proportional to 61,893.12, 85,412.88 and 33,598.80

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Solution

The fourth proportional to 61,893.12, 85,412.88 and 33,598.80 is: 46,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,893.12 : 85,412.88 = 33,598.80 : x
  2. Step 2: Convert to fraction form
    61,893.12/85,412.88 = 33,598.80/x
  3. Step 3: Cross multiply
    61,893.12x = 85,412.88 × 33,598.80
  4. Step 4: Simplify right side
    61,893.12x = 2,869,770,272.54
  5. Step 5: Solve for x
    x = 2,869,770,272.54/61,893.12
  6. Step 6: Final answer
    x = 46,366.55

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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.