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Finding the Fourth Proportional to 36,975.81, 51,026.62 and 20,208.81

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Solution

The fourth proportional to 36,975.81, 51,026.62 and 20,208.81 is: 27,888.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,975.81 : 51,026.62 = 20,208.81 : x
  2. Step 2: Convert to fraction form
    36,975.81/51,026.62 = 20,208.81/x
  3. Step 3: Cross multiply
    36,975.81x = 51,026.62 × 20,208.81
  4. Step 4: Simplify right side
    36,975.81x = 1,031,187,268.52
  5. Step 5: Solve for x
    x = 1,031,187,268.52/36,975.81
  6. Step 6: Final answer
    x = 27,888.16

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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.