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Finding the Fourth Proportional to 11,054.78, 16,575.87 and 7,549.03

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Solution

The fourth proportional to 11,054.78, 16,575.87 and 7,549.03 is: 11,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,054.78 : 16,575.87 = 7,549.03 : x
  2. Step 2: Convert to fraction form
    11,054.78/16,575.87 = 7,549.03/x
  3. Step 3: Cross multiply
    11,054.78x = 16,575.87 × 7,549.03
  4. Step 4: Simplify right side
    11,054.78x = 125,131,788.93
  5. Step 5: Solve for x
    x = 125,131,788.93/11,054.78
  6. Step 6: Final answer
    x = 11,319.25

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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.