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Finding the Fourth Proportional to 59,954.46, 89,990.01 and 28,811.58

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Solution

The fourth proportional to 59,954.46, 89,990.01 and 28,811.58 is: 43,245.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,954.46 : 89,990.01 = 28,811.58 : x
  2. Step 2: Convert to fraction form
    59,954.46/89,990.01 = 28,811.58/x
  3. Step 3: Cross multiply
    59,954.46x = 89,990.01 × 28,811.58
  4. Step 4: Simplify right side
    59,954.46x = 2,592,754,372.32
  5. Step 5: Solve for x
    x = 2,592,754,372.32/59,954.46
  6. Step 6: Final answer
    x = 43,245.40

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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.