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Finding the Fourth Proportional to 71,483.54, 107,220.65 and 29,352.69

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Solution

The fourth proportional to 71,483.54, 107,220.65 and 29,352.69 is: 44,027.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,483.54 : 107,220.65 = 29,352.69 : x
  2. Step 2: Convert to fraction form
    71,483.54/107,220.65 = 29,352.69/x
  3. Step 3: Cross multiply
    71,483.54x = 107,220.65 × 29,352.69
  4. Step 4: Simplify right side
    71,483.54x = 3,147,214,354.29
  5. Step 5: Solve for x
    x = 3,147,214,354.29/71,483.54
  6. Step 6: Final answer
    x = 44,027.12

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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.