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Finding the Fourth Proportional to 59,672.32, 89,509.51 and 20,230.46

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Solution

The fourth proportional to 59,672.32, 89,509.51 and 20,230.46 is: 30,346.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,672.32 : 89,509.51 = 20,230.46 : x
  2. Step 2: Convert to fraction form
    59,672.32/89,509.51 = 20,230.46/x
  3. Step 3: Cross multiply
    59,672.32x = 89,509.51 × 20,230.46
  4. Step 4: Simplify right side
    59,672.32x = 1,810,818,361.28
  5. Step 5: Solve for x
    x = 1,810,818,361.28/59,672.32
  6. Step 6: Final answer
    x = 30,346.04

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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.