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Finding the Fourth Proportional to 13,010.01, 17,961.54 and 8,541.57

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Solution

The fourth proportional to 13,010.01, 17,961.54 and 8,541.57 is: 11,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.01 : 17,961.54 = 8,541.57 : x
  2. Step 2: Convert to fraction form
    13,010.01/17,961.54 = 8,541.57/x
  3. Step 3: Cross multiply
    13,010.01x = 17,961.54 × 8,541.57
  4. Step 4: Simplify right side
    13,010.01x = 153,419,751.22
  5. Step 5: Solve for x
    x = 153,419,751.22/13,010.01
  6. Step 6: Final answer
    x = 11,792.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.