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Finding the Fourth Proportional to 17,049.60, 25,574.04 and 6,661.32

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Solution

The fourth proportional to 17,049.60, 25,574.04 and 6,661.32 is: 9,991.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,049.60 : 25,574.04 = 6,661.32 : x
  2. Step 2: Convert to fraction form
    17,049.60/25,574.04 = 6,661.32/x
  3. Step 3: Cross multiply
    17,049.60x = 25,574.04 × 6,661.32
  4. Step 4: Simplify right side
    17,049.60x = 170,356,864.13
  5. Step 5: Solve for x
    x = 170,356,864.13/17,049.60
  6. Step 6: Final answer
    x = 9,991.84

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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.