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Finding the Fourth Proportional to 83,571.63, 115,328.87 and 45,845.88

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Solution

The fourth proportional to 83,571.63, 115,328.87 and 45,845.88 is: 63,267.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,571.63 : 115,328.87 = 45,845.88 : x
  2. Step 2: Convert to fraction form
    83,571.63/115,328.87 = 45,845.88/x
  3. Step 3: Cross multiply
    83,571.63x = 115,328.87 × 45,845.88
  4. Step 4: Simplify right side
    83,571.63x = 5,287,353,534.56
  5. Step 5: Solve for x
    x = 5,287,353,534.56/83,571.63
  6. Step 6: Final answer
    x = 63,267.33

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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.