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Finding the Fourth Proportional to 72,627.92, 100,237.44 and 44,349.92

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Solution

The fourth proportional to 72,627.92, 100,237.44 and 44,349.92 is: 61,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,627.92 : 100,237.44 = 44,349.92 : x
  2. Step 2: Convert to fraction form
    72,627.92/100,237.44 = 44,349.92/x
  3. Step 3: Cross multiply
    72,627.92x = 100,237.44 × 44,349.92
  4. Step 4: Simplify right side
    72,627.92x = 4,445,522,445.00
  5. Step 5: Solve for x
    x = 4,445,522,445.00/72,627.92
  6. Step 6: Final answer
    x = 61,209.55

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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.