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Finding the Fourth Proportional to 45,875.60, 68,968.92 and 36,633.68

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Solution

The fourth proportional to 45,875.60, 68,968.92 and 36,633.68 is: 55,074.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,875.60 : 68,968.92 = 36,633.68 : x
  2. Step 2: Convert to fraction form
    45,875.60/68,968.92 = 36,633.68/x
  3. Step 3: Cross multiply
    45,875.60x = 68,968.92 × 36,633.68
  4. Step 4: Simplify right side
    45,875.60x = 2,526,585,345.23
  5. Step 5: Solve for x
    x = 2,526,585,345.23/45,875.60
  6. Step 6: Final answer
    x = 55,074.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.