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Finding the Fourth Proportional to 72,967.06, 109,456.80 and 23,033.80

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Solution

The fourth proportional to 72,967.06, 109,456.80 and 23,033.80 is: 34,552.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,967.06 : 109,456.80 = 23,033.80 : x
  2. Step 2: Convert to fraction form
    72,967.06/109,456.80 = 23,033.80/x
  3. Step 3: Cross multiply
    72,967.06x = 109,456.80 × 23,033.80
  4. Step 4: Simplify right side
    72,967.06x = 2,521,206,039.84
  5. Step 5: Solve for x
    x = 2,521,206,039.84/72,967.06
  6. Step 6: Final answer
    x = 34,552.66

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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.