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Finding the Fourth Proportional to 40,059.84, 55,263.78 and 25,917.24

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Solution

The fourth proportional to 40,059.84, 55,263.78 and 25,917.24 is: 35,753.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,059.84 : 55,263.78 = 25,917.24 : x
  2. Step 2: Convert to fraction form
    40,059.84/55,263.78 = 25,917.24/x
  3. Step 3: Cross multiply
    40,059.84x = 55,263.78 × 25,917.24
  4. Step 4: Simplify right side
    40,059.84x = 1,432,284,649.57
  5. Step 5: Solve for x
    x = 1,432,284,649.57/40,059.84
  6. Step 6: Final answer
    x = 35,753.63

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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.