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Finding the Fourth Proportional to 48,659.87, 72,964.89 and 22,341.75

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Solution

The fourth proportional to 48,659.87, 72,964.89 and 22,341.75 is: 33,501.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,659.87 : 72,964.89 = 22,341.75 : x
  2. Step 2: Convert to fraction form
    48,659.87/72,964.89 = 22,341.75/x
  3. Step 3: Cross multiply
    48,659.87x = 72,964.89 × 22,341.75
  4. Step 4: Simplify right side
    48,659.87x = 1,630,163,331.16
  5. Step 5: Solve for x
    x = 1,630,163,331.16/48,659.87
  6. Step 6: Final answer
    x = 33,501.19

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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.