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Finding the Fourth Proportional to 61,992.60, 85,549.85 and 33,698.30

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Solution

The fourth proportional to 61,992.60, 85,549.85 and 33,698.30 is: 46,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,992.60 : 85,549.85 = 33,698.30 : x
  2. Step 2: Convert to fraction form
    61,992.60/85,549.85 = 33,698.30/x
  3. Step 3: Cross multiply
    61,992.60x = 85,549.85 × 33,698.30
  4. Step 4: Simplify right side
    61,992.60x = 2,882,883,914.01
  5. Step 5: Solve for x
    x = 2,882,883,914.01/61,992.60
  6. Step 6: Final answer
    x = 46,503.68

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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.