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Finding the Fourth Proportional to 72,313.84, 99,793.09 and 44,019.52

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Solution

The fourth proportional to 72,313.84, 99,793.09 and 44,019.52 is: 60,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,313.84 : 99,793.09 = 44,019.52 : x
  2. Step 2: Convert to fraction form
    72,313.84/99,793.09 = 44,019.52/x
  3. Step 3: Cross multiply
    72,313.84x = 99,793.09 × 44,019.52
  4. Step 4: Simplify right side
    72,313.84x = 4,392,843,921.12
  5. Step 5: Solve for x
    x = 4,392,843,921.12/72,313.84
  6. Step 6: Final answer
    x = 60,746.93

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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.