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Finding the Fourth Proportional to 71,477.60, 107,208.85 and 29,362.13

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Solution

The fourth proportional to 71,477.60, 107,208.85 and 29,362.13 is: 44,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,477.60 : 107,208.85 = 29,362.13 : x
  2. Step 2: Convert to fraction form
    71,477.60/107,208.85 = 29,362.13/x
  3. Step 3: Cross multiply
    71,477.60x = 107,208.85 × 29,362.13
  4. Step 4: Simplify right side
    71,477.60x = 3,147,880,190.85
  5. Step 5: Solve for x
    x = 3,147,880,190.85/71,477.60
  6. Step 6: Final answer
    x = 44,040.09

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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.