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Finding the Fourth Proportional to 24,201.90, 36,263.88 and 20,313.90

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Solution

The fourth proportional to 24,201.90, 36,263.88 and 20,313.90 is: 30,438.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,201.90 : 36,263.88 = 20,313.90 : x
  2. Step 2: Convert to fraction form
    24,201.90/36,263.88 = 20,313.90/x
  3. Step 3: Cross multiply
    24,201.90x = 36,263.88 × 20,313.90
  4. Step 4: Simplify right side
    24,201.90x = 736,660,831.93
  5. Step 5: Solve for x
    x = 736,660,831.93/24,201.90
  6. Step 6: Final answer
    x = 30,438.14

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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.