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Finding the Fourth Proportional to 36,538.94, 54,809.95 and 11,578.44

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Solution

The fourth proportional to 36,538.94, 54,809.95 and 11,578.44 is: 17,368.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,538.94 : 54,809.95 = 11,578.44 : x
  2. Step 2: Convert to fraction form
    36,538.94/54,809.95 = 11,578.44/x
  3. Step 3: Cross multiply
    36,538.94x = 54,809.95 × 11,578.44
  4. Step 4: Simplify right side
    36,538.94x = 634,613,717.48
  5. Step 5: Solve for x
    x = 634,613,717.48/36,538.94
  6. Step 6: Final answer
    x = 17,368.15

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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.