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Finding the Fourth Proportional to 85,960.52, 128,923.50 and 23,622.92

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Solution

The fourth proportional to 85,960.52, 128,923.50 and 23,622.92 is: 35,429.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,960.52 : 128,923.50 = 23,622.92 : x
  2. Step 2: Convert to fraction form
    85,960.52/128,923.50 = 23,622.92/x
  3. Step 3: Cross multiply
    85,960.52x = 128,923.50 × 23,622.92
  4. Step 4: Simplify right side
    85,960.52x = 3,045,549,526.62
  5. Step 5: Solve for x
    x = 3,045,549,526.62/85,960.52
  6. Step 6: Final answer
    x = 35,429.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.