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Finding the Fourth Proportional to 44,543.54, 66,824.87 and 12,954.15

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Solution

The fourth proportional to 44,543.54, 66,824.87 and 12,954.15 is: 19,434.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,543.54 : 66,824.87 = 12,954.15 : x
  2. Step 2: Convert to fraction form
    44,543.54/66,824.87 = 12,954.15/x
  3. Step 3: Cross multiply
    44,543.54x = 66,824.87 × 12,954.15
  4. Step 4: Simplify right side
    44,543.54x = 865,659,324.94
  5. Step 5: Solve for x
    x = 865,659,324.94/44,543.54
  6. Step 6: Final answer
    x = 19,434.00

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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.