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Finding the Fourth Proportional to 72,336.70, 99,804.72 and 44,022.34

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Solution

The fourth proportional to 72,336.70, 99,804.72 and 44,022.34 is: 60,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336.70 : 99,804.72 = 44,022.34 : x
  2. Step 2: Convert to fraction form
    72,336.70/99,804.72 = 44,022.34/x
  3. Step 3: Cross multiply
    72,336.70x = 99,804.72 × 44,022.34
  4. Step 4: Simplify right side
    72,336.70x = 4,393,637,317.44
  5. Step 5: Solve for x
    x = 4,393,637,317.44/72,336.70
  6. Step 6: Final answer
    x = 60,738.70

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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.