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Finding the Fourth Proportional to 72,247.70, 108,328.35 and 37,255.70

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Solution

The fourth proportional to 72,247.70, 108,328.35 and 37,255.70 is: 55,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,247.70 : 108,328.35 = 37,255.70 : x
  2. Step 2: Convert to fraction form
    72,247.70/108,328.35 = 37,255.70/x
  3. Step 3: Cross multiply
    72,247.70x = 108,328.35 × 37,255.70
  4. Step 4: Simplify right side
    72,247.70x = 4,035,848,509.10
  5. Step 5: Solve for x
    x = 4,035,848,509.10/72,247.70
  6. Step 6: Final answer
    x = 55,861.27

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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.