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Finding the Fourth Proportional to 17,100.60, 25,650.90 and 10,539.60

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Solution

The fourth proportional to 17,100.60, 25,650.90 and 10,539.60 is: 15,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,100.60 : 25,650.90 = 10,539.60 : x
  2. Step 2: Convert to fraction form
    17,100.60/25,650.90 = 10,539.60/x
  3. Step 3: Cross multiply
    17,100.60x = 25,650.90 × 10,539.60
  4. Step 4: Simplify right side
    17,100.60x = 270,350,225.64
  5. Step 5: Solve for x
    x = 270,350,225.64/17,100.60
  6. Step 6: Final answer
    x = 15,809.40

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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.