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Finding the Fourth Proportional to 72,424.92, 108,651.60 and 35,010.84

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Solution

The fourth proportional to 72,424.92, 108,651.60 and 35,010.84 is: 52,523.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,424.92 : 108,651.60 = 35,010.84 : x
  2. Step 2: Convert to fraction form
    72,424.92/108,651.60 = 35,010.84/x
  3. Step 3: Cross multiply
    72,424.92x = 108,651.60 × 35,010.84
  4. Step 4: Simplify right side
    72,424.92x = 3,803,983,783.34
  5. Step 5: Solve for x
    x = 3,803,983,783.34/72,424.92
  6. Step 6: Final answer
    x = 52,523.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.