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Finding the Fourth Proportional to 22,334.40, 33,509.28 and 14,004.40

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Solution

The fourth proportional to 22,334.40, 33,509.28 and 14,004.40 is: 21,011.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,334.40 : 33,509.28 = 14,004.40 : x
  2. Step 2: Convert to fraction form
    22,334.40/33,509.28 = 14,004.40/x
  3. Step 3: Cross multiply
    22,334.40x = 33,509.28 × 14,004.40
  4. Step 4: Simplify right side
    22,334.40x = 469,277,360.83
  5. Step 5: Solve for x
    x = 469,277,360.83/22,334.40
  6. Step 6: Final answer
    x = 21,011.42

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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.