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Finding the Fourth Proportional to 36,658.52, 54,987.76 and 13,284.92

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Solution

The fourth proportional to 36,658.52, 54,987.76 and 13,284.92 is: 19,927.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,658.52 : 54,987.76 = 13,284.92 : x
  2. Step 2: Convert to fraction form
    36,658.52/54,987.76 = 13,284.92/x
  3. Step 3: Cross multiply
    36,658.52x = 54,987.76 × 13,284.92
  4. Step 4: Simplify right side
    36,658.52x = 730,507,992.58
  5. Step 5: Solve for x
    x = 730,507,992.58/36,658.52
  6. Step 6: Final answer
    x = 19,927.37

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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.