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Finding the Fourth Proportional to 65,158.38, 89,914.32 and 36,473.22

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Solution

The fourth proportional to 65,158.38, 89,914.32 and 36,473.22 is: 50,330.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,158.38 : 89,914.32 = 36,473.22 : x
  2. Step 2: Convert to fraction form
    65,158.38/89,914.32 = 36,473.22/x
  3. Step 3: Cross multiply
    65,158.38x = 89,914.32 × 36,473.22
  4. Step 4: Simplify right side
    65,158.38x = 3,279,464,774.51
  5. Step 5: Solve for x
    x = 3,279,464,774.51/65,158.38
  6. Step 6: Final answer
    x = 50,330.67

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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.