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Finding the Fourth Proportional to 27,303.29, 40,964.94 and 11,512.29

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Solution

The fourth proportional to 27,303.29, 40,964.94 and 11,512.29 is: 17,272.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,303.29 : 40,964.94 = 11,512.29 : x
  2. Step 2: Convert to fraction form
    27,303.29/40,964.94 = 11,512.29/x
  3. Step 3: Cross multiply
    27,303.29x = 40,964.94 × 11,512.29
  4. Step 4: Simplify right side
    27,303.29x = 471,600,269.11
  5. Step 5: Solve for x
    x = 471,600,269.11/27,303.29
  6. Step 6: Final answer
    x = 17,272.66

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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.