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Finding the Fourth Proportional to 72,409.52, 99,924.98 and 44,115.23

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Solution

The fourth proportional to 72,409.52, 99,924.98 and 44,115.23 is: 60,878.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,409.52 : 99,924.98 = 44,115.23 : x
  2. Step 2: Convert to fraction form
    72,409.52/99,924.98 = 44,115.23/x
  3. Step 3: Cross multiply
    72,409.52x = 99,924.98 × 44,115.23
  4. Step 4: Simplify right side
    72,409.52x = 4,408,212,755.24
  5. Step 5: Solve for x
    x = 4,408,212,755.24/72,409.52
  6. Step 6: Final answer
    x = 60,878.92

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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.