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Finding the Fourth Proportional to 22,551.60, 33,831.56 and 9,405.10

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Solution

The fourth proportional to 22,551.60, 33,831.56 and 9,405.10 is: 14,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,551.60 : 33,831.56 = 9,405.10 : x
  2. Step 2: Convert to fraction form
    22,551.60/33,831.56 = 9,405.10/x
  3. Step 3: Cross multiply
    22,551.60x = 33,831.56 × 9,405.10
  4. Step 4: Simplify right side
    22,551.60x = 318,189,217.85
  5. Step 5: Solve for x
    x = 318,189,217.85/22,551.60
  6. Step 6: Final answer
    x = 14,109.38

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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.