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Finding the Fourth Proportional to 61,739.58, 85,200.66 and 33,445.38

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Solution

The fourth proportional to 61,739.58, 85,200.66 and 33,445.38 is: 46,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,739.58 : 85,200.66 = 33,445.38 : x
  2. Step 2: Convert to fraction form
    61,739.58/85,200.66 = 33,445.38/x
  3. Step 3: Cross multiply
    61,739.58x = 85,200.66 × 33,445.38
  4. Step 4: Simplify right side
    61,739.58x = 2,849,568,449.95
  5. Step 5: Solve for x
    x = 2,849,568,449.95/61,739.58
  6. Step 6: Final answer
    x = 46,154.65

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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.