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Finding the Fourth Proportional to 72,859.33, 100,551.07 and 40,596.63

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Solution

The fourth proportional to 72,859.33, 100,551.07 and 40,596.63 is: 56,026.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,859.33 : 100,551.07 = 40,596.63 : x
  2. Step 2: Convert to fraction form
    72,859.33/100,551.07 = 40,596.63/x
  3. Step 3: Cross multiply
    72,859.33x = 100,551.07 × 40,596.63
  4. Step 4: Simplify right side
    72,859.33x = 4,082,034,584.89
  5. Step 5: Solve for x
    x = 4,082,034,584.89/72,859.33
  6. Step 6: Final answer
    x = 56,026.24

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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.