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Finding the Fourth Proportional to 93,795, 129,449.46 and 53,499.54

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Solution

The fourth proportional to 93,795, 129,449.46 and 53,499.54 is: 73,836.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,795 : 129,449.46 = 53,499.54 : x
  2. Step 2: Convert to fraction form
    93,795/129,449.46 = 53,499.54/x
  3. Step 3: Cross multiply
    93,795x = 129,449.46 × 53,499.54
  4. Step 4: Simplify right side
    93,795x = 6,925,486,563.25
  5. Step 5: Solve for x
    x = 6,925,486,563.25/93,795
  6. Step 6: Final answer
    x = 73,836.42

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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.