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Finding the Fourth Proportional to 17,053.57, 25,580.49 and 6,520.75

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Solution

The fourth proportional to 17,053.57, 25,580.49 and 6,520.75 is: 9,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,053.57 : 25,580.49 = 6,520.75 : x
  2. Step 2: Convert to fraction form
    17,053.57/25,580.49 = 6,520.75/x
  3. Step 3: Cross multiply
    17,053.57x = 25,580.49 × 6,520.75
  4. Step 4: Simplify right side
    17,053.57x = 166,803,980.17
  5. Step 5: Solve for x
    x = 166,803,980.17/17,053.57
  6. Step 6: Final answer
    x = 9,781.18

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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.