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Finding the Fourth Proportional to 61,708.55, 85,157.79 and 33,414.23

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Solution

The fourth proportional to 61,708.55, 85,157.79 and 33,414.23 is: 46,111.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,708.55 : 85,157.79 = 33,414.23 : x
  2. Step 2: Convert to fraction form
    61,708.55/85,157.79 = 33,414.23/x
  3. Step 3: Cross multiply
    61,708.55x = 85,157.79 × 33,414.23
  4. Step 4: Simplify right side
    61,708.55x = 2,845,482,277.78
  5. Step 5: Solve for x
    x = 2,845,482,277.78/61,708.55
  6. Step 6: Final answer
    x = 46,111.64

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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.