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Finding the Fourth Proportional to 10,886.03, 15,027.31 and 7,354.03

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Solution

The fourth proportional to 10,886.03, 15,027.31 and 7,354.03 is: 10,151.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,886.03 : 15,027.31 = 7,354.03 : x
  2. Step 2: Convert to fraction form
    10,886.03/15,027.31 = 7,354.03/x
  3. Step 3: Cross multiply
    10,886.03x = 15,027.31 × 7,354.03
  4. Step 4: Simplify right side
    10,886.03x = 110,511,288.56
  5. Step 5: Solve for x
    x = 110,511,288.56/10,886.03
  6. Step 6: Final answer
    x = 10,151.66

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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.