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Finding the Fourth Proportional to 36,607.40, 54,926.81 and 11,649.47

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Solution

The fourth proportional to 36,607.40, 54,926.81 and 11,649.47 is: 17,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,607.40 : 54,926.81 = 11,649.47 : x
  2. Step 2: Convert to fraction form
    36,607.40/54,926.81 = 11,649.47/x
  3. Step 3: Cross multiply
    36,607.40x = 54,926.81 × 11,649.47
  4. Step 4: Simplify right side
    36,607.40x = 639,867,892.41
  5. Step 5: Solve for x
    x = 639,867,892.41/36,607.40
  6. Step 6: Final answer
    x = 17,479.20

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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.