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Finding the Fourth Proportional to 69,630.76, 96,115.41 and 41,336.47

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Solution

The fourth proportional to 69,630.76, 96,115.41 and 41,336.47 is: 57,059.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,630.76 : 96,115.41 = 41,336.47 : x
  2. Step 2: Convert to fraction form
    69,630.76/96,115.41 = 41,336.47/x
  3. Step 3: Cross multiply
    69,630.76x = 96,115.41 × 41,336.47
  4. Step 4: Simplify right side
    69,630.76x = 3,973,071,762.00
  5. Step 5: Solve for x
    x = 3,973,071,762.00/69,630.76
  6. Step 6: Final answer
    x = 57,059.15

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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.