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Finding the Fourth Proportional to 70,450.70, 105,682.58 and 25,483.30

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Solution

The fourth proportional to 70,450.70, 105,682.58 and 25,483.30 is: 38,227.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,450.70 : 105,682.58 = 25,483.30 : x
  2. Step 2: Convert to fraction form
    70,450.70/105,682.58 = 25,483.30/x
  3. Step 3: Cross multiply
    70,450.70x = 105,682.58 × 25,483.30
  4. Step 4: Simplify right side
    70,450.70x = 2,693,140,890.91
  5. Step 5: Solve for x
    x = 2,693,140,890.91/70,450.70
  6. Step 6: Final answer
    x = 38,227.31

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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.