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Finding the Fourth Proportional to 43,653.13, 65,484.53 and 15,579.73

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Solution

The fourth proportional to 43,653.13, 65,484.53 and 15,579.73 is: 23,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,653.13 : 65,484.53 = 15,579.73 : x
  2. Step 2: Convert to fraction form
    43,653.13/65,484.53 = 15,579.73/x
  3. Step 3: Cross multiply
    43,653.13x = 65,484.53 × 15,579.73
  4. Step 4: Simplify right side
    43,653.13x = 1,020,231,218.68
  5. Step 5: Solve for x
    x = 1,020,231,218.68/43,653.13
  6. Step 6: Final answer
    x = 23,371.32

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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.