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Finding the Fourth Proportional to 72,695.14, 100,314.32 and 44,030.71

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Solution

The fourth proportional to 72,695.14, 100,314.32 and 44,030.71 is: 60,759.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,695.14 : 100,314.32 = 44,030.71 : x
  2. Step 2: Convert to fraction form
    72,695.14/100,314.32 = 44,030.71/x
  3. Step 3: Cross multiply
    72,695.14x = 100,314.32 × 44,030.71
  4. Step 4: Simplify right side
    72,695.14x = 4,416,910,592.06
  5. Step 5: Solve for x
    x = 4,416,910,592.06/72,695.14
  6. Step 6: Final answer
    x = 60,759.37

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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.