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Finding the Fourth Proportional to 36,008.80, 54,015.90 and 9,713.68

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Solution

The fourth proportional to 36,008.80, 54,015.90 and 9,713.68 is: 14,571.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,008.80 : 54,015.90 = 9,713.68 : x
  2. Step 2: Convert to fraction form
    36,008.80/54,015.90 = 9,713.68/x
  3. Step 3: Cross multiply
    36,008.80x = 54,015.90 × 9,713.68
  4. Step 4: Simplify right side
    36,008.80x = 524,693,167.51
  5. Step 5: Solve for x
    x = 524,693,167.51/36,008.80
  6. Step 6: Final answer
    x = 14,571.25

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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.