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Finding the Fourth Proportional to 72,255.17, 108,392.99 and 22,339.63

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Solution

The fourth proportional to 72,255.17, 108,392.99 and 22,339.63 is: 33,512.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,255.17 : 108,392.99 = 22,339.63 : x
  2. Step 2: Convert to fraction form
    72,255.17/108,392.99 = 22,339.63/x
  3. Step 3: Cross multiply
    72,255.17x = 108,392.99 × 22,339.63
  4. Step 4: Simplify right side
    72,255.17x = 2,421,459,314.99
  5. Step 5: Solve for x
    x = 2,421,459,314.99/72,255.17
  6. Step 6: Final answer
    x = 33,512.61

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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.