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Finding the Fourth Proportional to 75,025.80, 112,551.30 and 22,440.60

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Solution

The fourth proportional to 75,025.80, 112,551.30 and 22,440.60 is: 33,664.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,025.80 : 112,551.30 = 22,440.60 : x
  2. Step 2: Convert to fraction form
    75,025.80/112,551.30 = 22,440.60/x
  3. Step 3: Cross multiply
    75,025.80x = 112,551.30 × 22,440.60
  4. Step 4: Simplify right side
    75,025.80x = 2,525,718,702.78
  5. Step 5: Solve for x
    x = 2,525,718,702.78/75,025.80
  6. Step 6: Final answer
    x = 33,664.67

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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.