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Finding the Fourth Proportional to 27,305.58, 40,973.08 and 11,521.55

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Solution

The fourth proportional to 27,305.58, 40,973.08 and 11,521.55 is: 17,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.58 : 40,973.08 = 11,521.55 : x
  2. Step 2: Convert to fraction form
    27,305.58/40,973.08 = 11,521.55/x
  3. Step 3: Cross multiply
    27,305.58x = 40,973.08 × 11,521.55
  4. Step 4: Simplify right side
    27,305.58x = 472,073,185.01
  5. Step 5: Solve for x
    x = 472,073,185.01/27,305.58
  6. Step 6: Final answer
    x = 17,288.52

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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.