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Finding the Fourth Proportional to 17,010.60, 25,515.90 and 4,530.60

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Solution

The fourth proportional to 17,010.60, 25,515.90 and 4,530.60 is: 6,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,010.60 : 25,515.90 = 4,530.60 : x
  2. Step 2: Convert to fraction form
    17,010.60/25,515.90 = 4,530.60/x
  3. Step 3: Cross multiply
    17,010.60x = 25,515.90 × 4,530.60
  4. Step 4: Simplify right side
    17,010.60x = 115,602,336.54
  5. Step 5: Solve for x
    x = 115,602,336.54/17,010.60
  6. Step 6: Final answer
    x = 6,795.90

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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.