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Finding the Fourth Proportional to 17,047.48, 25,574.48 and 5,357.56

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Solution

The fourth proportional to 17,047.48, 25,574.48 and 5,357.56 is: 8,037.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,047.48 : 25,574.48 = 5,357.56 : x
  2. Step 2: Convert to fraction form
    17,047.48/25,574.48 = 5,357.56/x
  3. Step 3: Cross multiply
    17,047.48x = 25,574.48 × 5,357.56
  4. Step 4: Simplify right side
    17,047.48x = 137,016,811.07
  5. Step 5: Solve for x
    x = 137,016,811.07/17,047.48
  6. Step 6: Final answer
    x = 8,037.36

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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.