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Finding the Fourth Proportional to 83,571.96, 115,332.30 and 45,847.32

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Solution

The fourth proportional to 83,571.96, 115,332.30 and 45,847.32 is: 63,270.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,571.96 : 115,332.30 = 45,847.32 : x
  2. Step 2: Convert to fraction form
    83,571.96/115,332.30 = 45,847.32/x
  3. Step 3: Cross multiply
    83,571.96x = 115,332.30 × 45,847.32
  4. Step 4: Simplify right side
    83,571.96x = 5,287,676,864.44
  5. Step 5: Solve for x
    x = 5,287,676,864.44/83,571.96
  6. Step 6: Final answer
    x = 63,270.94

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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.