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Finding the Fourth Proportional to 48,504.36, 66,938.76 and 32,343.78

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Solution

The fourth proportional to 48,504.36, 66,938.76 and 32,343.78 is: 44,636.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,504.36 : 66,938.76 = 32,343.78 : x
  2. Step 2: Convert to fraction form
    48,504.36/66,938.76 = 32,343.78/x
  3. Step 3: Cross multiply
    48,504.36x = 66,938.76 × 32,343.78
  4. Step 4: Simplify right side
    48,504.36x = 2,165,052,526.91
  5. Step 5: Solve for x
    x = 2,165,052,526.91/48,504.36
  6. Step 6: Final answer
    x = 44,636.25

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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.