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Finding the Fourth Proportional to 61,642.60, 85,066.92 and 33,348.30

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Solution

The fourth proportional to 61,642.60, 85,066.92 and 33,348.30 is: 46,020.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,642.60 : 85,066.92 = 33,348.30 : x
  2. Step 2: Convert to fraction form
    61,642.60/85,066.92 = 33,348.30/x
  3. Step 3: Cross multiply
    61,642.60x = 85,066.92 × 33,348.30
  4. Step 4: Simplify right side
    61,642.60x = 2,836,837,168.24
  5. Step 5: Solve for x
    x = 2,836,837,168.24/61,642.60
  6. Step 6: Final answer
    x = 46,020.73

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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.