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Finding the Fourth Proportional to 84,580.88, 126,861.20 and 22,256.24

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Solution

The fourth proportional to 84,580.88, 126,861.20 and 22,256.24 is: 33,381.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,580.88 : 126,861.20 = 22,256.24 : x
  2. Step 2: Convert to fraction form
    84,580.88/126,861.20 = 22,256.24/x
  3. Step 3: Cross multiply
    84,580.88x = 126,861.20 × 22,256.24
  4. Step 4: Simplify right side
    84,580.88x = 2,823,453,313.89
  5. Step 5: Solve for x
    x = 2,823,453,313.89/84,580.88
  6. Step 6: Final answer
    x = 33,381.70

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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.