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Finding the Fourth Proportional to 17,043.52, 25,554.48 and 7,189.60

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Solution

The fourth proportional to 17,043.52, 25,554.48 and 7,189.60 is: 10,779.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,043.52 : 25,554.48 = 7,189.60 : x
  2. Step 2: Convert to fraction form
    17,043.52/25,554.48 = 7,189.60/x
  3. Step 3: Cross multiply
    17,043.52x = 25,554.48 × 7,189.60
  4. Step 4: Simplify right side
    17,043.52x = 183,726,489.41
  5. Step 5: Solve for x
    x = 183,726,489.41/17,043.52
  6. Step 6: Final answer
    x = 10,779.84

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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.