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Finding the Fourth Proportional to 30,136.66, 41,585.66 and 16,707.64

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Solution

The fourth proportional to 30,136.66, 41,585.66 and 16,707.64 is: 23,054.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.66 : 41,585.66 = 16,707.64 : x
  2. Step 2: Convert to fraction form
    30,136.66/41,585.66 = 16,707.64/x
  3. Step 3: Cross multiply
    30,136.66x = 41,585.66 × 16,707.64
  4. Step 4: Simplify right side
    30,136.66x = 694,798,236.44
  5. Step 5: Solve for x
    x = 694,798,236.44/30,136.66
  6. Step 6: Final answer
    x = 23,054.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.