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Finding the Fourth Proportional to 72,529.98, 108,794.45 and 39,460.26

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Solution

The fourth proportional to 72,529.98, 108,794.45 and 39,460.26 is: 59,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,529.98 : 108,794.45 = 39,460.26 : x
  2. Step 2: Convert to fraction form
    72,529.98/108,794.45 = 39,460.26/x
  3. Step 3: Cross multiply
    72,529.98x = 108,794.45 × 39,460.26
  4. Step 4: Simplify right side
    72,529.98x = 4,293,057,086.26
  5. Step 5: Solve for x
    x = 4,293,057,086.26/72,529.98
  6. Step 6: Final answer
    x = 59,190.10

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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.