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Finding the Fourth Proportional to 48,652.72, 72,495.44 and 43,346.97

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Solution

The fourth proportional to 48,652.72, 72,495.44 and 43,346.97 is: 64,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.72 : 72,495.44 = 43,346.97 : x
  2. Step 2: Convert to fraction form
    48,652.72/72,495.44 = 43,346.97/x
  3. Step 3: Cross multiply
    48,652.72x = 72,495.44 × 43,346.97
  4. Step 4: Simplify right side
    48,652.72x = 3,142,457,662.82
  5. Step 5: Solve for x
    x = 3,142,457,662.82/48,652.72
  6. Step 6: Final answer
    x = 64,589.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.