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Finding the Fourth Proportional to 24,334.40, 33,581.40 and 13,156.40

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Solution

The fourth proportional to 24,334.40, 33,581.40 and 13,156.40 is: 18,155.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,334.40 : 33,581.40 = 13,156.40 : x
  2. Step 2: Convert to fraction form
    24,334.40/33,581.40 = 13,156.40/x
  3. Step 3: Cross multiply
    24,334.40x = 33,581.40 × 13,156.40
  4. Step 4: Simplify right side
    24,334.40x = 441,810,330.96
  5. Step 5: Solve for x
    x = 441,810,330.96/24,334.40
  6. Step 6: Final answer
    x = 18,155.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.