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Finding the Fourth Proportional to 61,903.64, 85,427.97 and 33,609.33

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Solution

The fourth proportional to 61,903.64, 85,427.97 and 33,609.33 is: 46,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,903.64 : 85,427.97 = 33,609.33 : x
  2. Step 2: Convert to fraction form
    61,903.64/85,427.97 = 33,609.33/x
  3. Step 3: Cross multiply
    61,903.64x = 85,427.97 × 33,609.33
  4. Step 4: Simplify right side
    61,903.64x = 2,871,176,708.93
  5. Step 5: Solve for x
    x = 2,871,176,708.93/61,903.64
  6. Step 6: Final answer
    x = 46,381.39

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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.