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Finding the Fourth Proportional to 17,220.16, 25,841.60 and 6,276.16

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Solution

The fourth proportional to 17,220.16, 25,841.60 and 6,276.16 is: 9,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,220.16 : 25,841.60 = 6,276.16 : x
  2. Step 2: Convert to fraction form
    17,220.16/25,841.60 = 6,276.16/x
  3. Step 3: Cross multiply
    17,220.16x = 25,841.60 × 6,276.16
  4. Step 4: Simplify right side
    17,220.16x = 162,186,016.26
  5. Step 5: Solve for x
    x = 162,186,016.26/17,220.16
  6. Step 6: Final answer
    x = 9,418.38

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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.