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Finding the Fourth Proportional to 34,661.70, 52,004.70 and 12,475.80

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Solution

The fourth proportional to 34,661.70, 52,004.70 and 12,475.80 is: 18,718.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,661.70 : 52,004.70 = 12,475.80 : x
  2. Step 2: Convert to fraction form
    34,661.70/52,004.70 = 12,475.80/x
  3. Step 3: Cross multiply
    34,661.70x = 52,004.70 × 12,475.80
  4. Step 4: Simplify right side
    34,661.70x = 648,800,236.26
  5. Step 5: Solve for x
    x = 648,800,236.26/34,661.70
  6. Step 6: Final answer
    x = 18,718.07

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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.