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Finding the Fourth Proportional to 64,471.06, 88,972.32 and 37,609.30

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Solution

The fourth proportional to 64,471.06, 88,972.32 and 37,609.30 is: 51,902.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,471.06 : 88,972.32 = 37,609.30 : x
  2. Step 2: Convert to fraction form
    64,471.06/88,972.32 = 37,609.30/x
  3. Step 3: Cross multiply
    64,471.06x = 88,972.32 × 37,609.30
  4. Step 4: Simplify right side
    64,471.06x = 3,346,186,674.58
  5. Step 5: Solve for x
    x = 3,346,186,674.58/64,471.06
  6. Step 6: Final answer
    x = 51,902.15

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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.