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Finding the Fourth Proportional to 72,335.70, 99,803.34 and 44,021.34

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Solution

The fourth proportional to 72,335.70, 99,803.34 and 44,021.34 is: 60,737.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,335.70 : 99,803.34 = 44,021.34 : x
  2. Step 2: Convert to fraction form
    72,335.70/99,803.34 = 44,021.34/x
  3. Step 3: Cross multiply
    72,335.70x = 99,803.34 × 44,021.34
  4. Step 4: Simplify right side
    72,335.70x = 4,393,476,763.28
  5. Step 5: Solve for x
    x = 4,393,476,763.28/72,335.70
  6. Step 6: Final answer
    x = 60,737.32

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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.