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Finding the Fourth Proportional to 65,039.84, 89,754.96 and 36,745.04

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Solution

The fourth proportional to 65,039.84, 89,754.96 and 36,745.04 is: 50,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,039.84 : 89,754.96 = 36,745.04 : x
  2. Step 2: Convert to fraction form
    65,039.84/89,754.96 = 36,745.04/x
  3. Step 3: Cross multiply
    65,039.84x = 89,754.96 × 36,745.04
  4. Step 4: Simplify right side
    65,039.84x = 3,298,049,595.40
  5. Step 5: Solve for x
    x = 3,298,049,595.40/65,039.84
  6. Step 6: Final answer
    x = 50,708.14

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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.