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Finding the Fourth Proportional to 65,305.24, 90,120.23 and 36,624.89

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Solution

The fourth proportional to 65,305.24, 90,120.23 and 36,624.89 is: 50,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,305.24 : 90,120.23 = 36,624.89 : x
  2. Step 2: Convert to fraction form
    65,305.24/90,120.23 = 36,624.89/x
  3. Step 3: Cross multiply
    65,305.24x = 90,120.23 × 36,624.89
  4. Step 4: Simplify right side
    65,305.24x = 3,300,643,690.04
  5. Step 5: Solve for x
    x = 3,300,643,690.04/65,305.24
  6. Step 6: Final answer
    x = 50,541.79

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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.