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Finding the Fourth Proportional to 93,474.87, 128,997.53 and 51,033.70

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Solution

The fourth proportional to 93,474.87, 128,997.53 and 51,033.70 is: 70,427.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,474.87 : 128,997.53 = 51,033.70 : x
  2. Step 2: Convert to fraction form
    93,474.87/128,997.53 = 51,033.70/x
  3. Step 3: Cross multiply
    93,474.87x = 128,997.53 × 51,033.70
  4. Step 4: Simplify right side
    93,474.87x = 6,583,221,246.76
  5. Step 5: Solve for x
    x = 6,583,221,246.76/93,474.87
  6. Step 6: Final answer
    x = 70,427.71

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1.5x scale

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.