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Finding the Fourth Proportional to 17,218.30, 25,830.14 and 7,357.64

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Solution

The fourth proportional to 17,218.30, 25,830.14 and 7,357.64 is: 11,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,218.30 : 25,830.14 = 7,357.64 : x
  2. Step 2: Convert to fraction form
    17,218.30/25,830.14 = 7,357.64/x
  3. Step 3: Cross multiply
    17,218.30x = 25,830.14 × 7,357.64
  4. Step 4: Simplify right side
    17,218.30x = 190,048,871.27
  5. Step 5: Solve for x
    x = 190,048,871.27/17,218.30
  6. Step 6: Final answer
    x = 11,037.61

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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.