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Finding the Fourth Proportional to 70,999.54, 97,976.07 and 40,763.59

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Solution

The fourth proportional to 70,999.54, 97,976.07 and 40,763.59 is: 56,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,999.54 : 97,976.07 = 40,763.59 : x
  2. Step 2: Convert to fraction form
    70,999.54/97,976.07 = 40,763.59/x
  3. Step 3: Cross multiply
    70,999.54x = 97,976.07 × 40,763.59
  4. Step 4: Simplify right side
    70,999.54x = 3,993,856,347.29
  5. Step 5: Solve for x
    x = 3,993,856,347.29/70,999.54
  6. Step 6: Final answer
    x = 56,251.86

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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.