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Finding the Fourth Proportional to 70,009.97, 96,537.37 and 47,309.59

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Solution

The fourth proportional to 70,009.97, 96,537.37 and 47,309.59 is: 65,235.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,009.97 : 96,537.37 = 47,309.59 : x
  2. Step 2: Convert to fraction form
    70,009.97/96,537.37 = 47,309.59/x
  3. Step 3: Cross multiply
    70,009.97x = 96,537.37 × 47,309.59
  4. Step 4: Simplify right side
    70,009.97x = 4,567,143,756.99
  5. Step 5: Solve for x
    x = 4,567,143,756.99/70,009.97
  6. Step 6: Final answer
    x = 65,235.62

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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.