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Finding the Fourth Proportional to 27,184.88, 40,781.64 and 11,602.64

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Solution

The fourth proportional to 27,184.88, 40,781.64 and 11,602.64 is: 17,405.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,184.88 : 40,781.64 = 11,602.64 : x
  2. Step 2: Convert to fraction form
    27,184.88/40,781.64 = 11,602.64/x
  3. Step 3: Cross multiply
    27,184.88x = 40,781.64 × 11,602.64
  4. Step 4: Simplify right side
    27,184.88x = 473,174,687.53
  5. Step 5: Solve for x
    x = 473,174,687.53/27,184.88
  6. Step 6: Final answer
    x = 17,405.80

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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.