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Finding the Fourth Proportional to 70,069.63, 96,699.23 and 39,453.27

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Solution

The fourth proportional to 70,069.63, 96,699.23 and 39,453.27 is: 54,447.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,069.63 : 96,699.23 = 39,453.27 : x
  2. Step 2: Convert to fraction form
    70,069.63/96,699.23 = 39,453.27/x
  3. Step 3: Cross multiply
    70,069.63x = 96,699.23 × 39,453.27
  4. Step 4: Simplify right side
    70,069.63x = 3,815,100,829.98
  5. Step 5: Solve for x
    x = 3,815,100,829.98/70,069.63
  6. Step 6: Final answer
    x = 54,447.28

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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.