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Finding the Fourth Proportional to 36,019.99, 54,036.99 and 13,831.74

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Solution

The fourth proportional to 36,019.99, 54,036.99 and 13,831.74 is: 20,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.99 : 54,036.99 = 13,831.74 : x
  2. Step 2: Convert to fraction form
    36,019.99/54,036.99 = 13,831.74/x
  3. Step 3: Cross multiply
    36,019.99x = 54,036.99 × 13,831.74
  4. Step 4: Simplify right side
    36,019.99x = 747,425,596.06
  5. Step 5: Solve for x
    x = 747,425,596.06/36,019.99
  6. Step 6: Final answer
    x = 20,750.30

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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.