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Finding the Fourth Proportional to 65,181.38, 89,950.20 and 35,373.38

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Solution

The fourth proportional to 65,181.38, 89,950.20 and 35,373.38 is: 48,815.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,181.38 : 89,950.20 = 35,373.38 : x
  2. Step 2: Convert to fraction form
    65,181.38/89,950.20 = 35,373.38/x
  3. Step 3: Cross multiply
    65,181.38x = 89,950.20 × 35,373.38
  4. Step 4: Simplify right side
    65,181.38x = 3,181,842,605.68
  5. Step 5: Solve for x
    x = 3,181,842,605.68/65,181.38
  6. Step 6: Final answer
    x = 48,815.21

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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.