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Finding the Fourth Proportional to 61,954.60, 85,497.46 and 33,660.32

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Solution

The fourth proportional to 61,954.60, 85,497.46 and 33,660.32 is: 46,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,954.60 : 85,497.46 = 33,660.32 : x
  2. Step 2: Convert to fraction form
    61,954.60/85,497.46 = 33,660.32/x
  3. Step 3: Cross multiply
    61,954.60x = 85,497.46 × 33,660.32
  4. Step 4: Simplify right side
    61,954.60x = 2,877,871,862.79
  5. Step 5: Solve for x
    x = 2,877,871,862.79/61,954.60
  6. Step 6: Final answer
    x = 46,451.30

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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.