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Finding the Fourth Proportional to 11,570.98, 17,356.58 and 2,805.97

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Solution

The fourth proportional to 11,570.98, 17,356.58 and 2,805.97 is: 4,208.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,570.98 : 17,356.58 = 2,805.97 : x
  2. Step 2: Convert to fraction form
    11,570.98/17,356.58 = 2,805.97/x
  3. Step 3: Cross multiply
    11,570.98x = 17,356.58 × 2,805.97
  4. Step 4: Simplify right side
    11,570.98x = 48,702,042.78
  5. Step 5: Solve for x
    x = 48,702,042.78/11,570.98
  6. Step 6: Final answer
    x = 4,208.98

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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.