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Finding the Fourth Proportional to 43,356.48, 65,034.72 and 10,524.48

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Solution

The fourth proportional to 43,356.48, 65,034.72 and 10,524.48 is: 15,786.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,356.48 : 65,034.72 = 10,524.48 : x
  2. Step 2: Convert to fraction form
    43,356.48/65,034.72 = 10,524.48/x
  3. Step 3: Cross multiply
    43,356.48x = 65,034.72 × 10,524.48
  4. Step 4: Simplify right side
    43,356.48x = 684,456,609.95
  5. Step 5: Solve for x
    x = 684,456,609.95/43,356.48
  6. Step 6: Final answer
    x = 15,786.72

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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.