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Finding the Fourth Proportional to 43,493.63, 65,240.51 and 10,661.63

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Solution

The fourth proportional to 43,493.63, 65,240.51 and 10,661.63 is: 15,992.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,493.63 : 65,240.51 = 10,661.63 : x
  2. Step 2: Convert to fraction form
    43,493.63/65,240.51 = 10,661.63/x
  3. Step 3: Cross multiply
    43,493.63x = 65,240.51 × 10,661.63
  4. Step 4: Simplify right side
    43,493.63x = 695,569,799.12
  5. Step 5: Solve for x
    x = 695,569,799.12/43,493.63
  6. Step 6: Final answer
    x = 15,992.45

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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.