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Finding the Fourth Proportional to 11,484.63, 17,157.17 and 7,291.06

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Solution

The fourth proportional to 11,484.63, 17,157.17 and 7,291.06 is: 10,892.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.63 : 17,157.17 = 7,291.06 : x
  2. Step 2: Convert to fraction form
    11,484.63/17,157.17 = 7,291.06/x
  3. Step 3: Cross multiply
    11,484.63x = 17,157.17 × 7,291.06
  4. Step 4: Simplify right side
    11,484.63x = 125,093,876.55
  5. Step 5: Solve for x
    x = 125,093,876.55/11,484.63
  6. Step 6: Final answer
    x = 10,892.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.