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Finding the Fourth Proportional to 11,574.52, 17,358.60 and 4,177.60

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Solution

The fourth proportional to 11,574.52, 17,358.60 and 4,177.60 is: 6,265.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,574.52 : 17,358.60 = 4,177.60 : x
  2. Step 2: Convert to fraction form
    11,574.52/17,358.60 = 4,177.60/x
  3. Step 3: Cross multiply
    11,574.52x = 17,358.60 × 4,177.60
  4. Step 4: Simplify right side
    11,574.52x = 72,517,287.36
  5. Step 5: Solve for x
    x = 72,517,287.36/11,574.52
  6. Step 6: Final answer
    x = 6,265.25

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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.