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Finding the Fourth Proportional to 93,832.96, 129,486 and 51,391.84

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Solution

The fourth proportional to 93,832.96, 129,486 and 51,391.84 is: 70,918.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,832.96 : 129,486 = 51,391.84 : x
  2. Step 2: Convert to fraction form
    93,832.96/129,486 = 51,391.84/x
  3. Step 3: Cross multiply
    93,832.96x = 129,486 × 51,391.84
  4. Step 4: Simplify right side
    93,832.96x = 6,654,523,794.24
  5. Step 5: Solve for x
    x = 6,654,523,794.24/93,832.96
  6. Step 6: Final answer
    x = 70,918.83

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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.