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Finding the Fourth Proportional to 51,258.77, 70,737.17 and 28,597.14

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Solution

The fourth proportional to 51,258.77, 70,737.17 and 28,597.14 is: 39,464.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,258.77 : 70,737.17 = 28,597.14 : x
  2. Step 2: Convert to fraction form
    51,258.77/70,737.17 = 28,597.14/x
  3. Step 3: Cross multiply
    51,258.77x = 70,737.17 × 28,597.14
  4. Step 4: Simplify right side
    51,258.77x = 2,022,880,753.69
  5. Step 5: Solve for x
    x = 2,022,880,753.69/51,258.77
  6. Step 6: Final answer
    x = 39,464.09

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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.