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Finding the Fourth Proportional to 48,381.59, 66,769.87 and 36,425.99

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Solution

The fourth proportional to 48,381.59, 66,769.87 and 36,425.99 is: 50,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,381.59 : 66,769.87 = 36,425.99 : x
  2. Step 2: Convert to fraction form
    48,381.59/66,769.87 = 36,425.99/x
  3. Step 3: Cross multiply
    48,381.59x = 66,769.87 × 36,425.99
  4. Step 4: Simplify right side
    48,381.59x = 2,432,158,541.06
  5. Step 5: Solve for x
    x = 2,432,158,541.06/48,381.59
  6. Step 6: Final answer
    x = 50,270.33

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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.