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Finding the Fourth Proportional to 33,287.46, 45,937.02 and 18,946.60

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Solution

The fourth proportional to 33,287.46, 45,937.02 and 18,946.60 is: 26,146.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,287.46 : 45,937.02 = 18,946.60 : x
  2. Step 2: Convert to fraction form
    33,287.46/45,937.02 = 18,946.60/x
  3. Step 3: Cross multiply
    33,287.46x = 45,937.02 × 18,946.60
  4. Step 4: Simplify right side
    33,287.46x = 870,350,343.13
  5. Step 5: Solve for x
    x = 870,350,343.13/33,287.46
  6. Step 6: Final answer
    x = 26,146.49

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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.