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Finding the Fourth Proportional to 69,580.41, 96,025.72 and 39,365.72

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Solution

The fourth proportional to 69,580.41, 96,025.72 and 39,365.72 is: 54,327.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,580.41 : 96,025.72 = 39,365.72 : x
  2. Step 2: Convert to fraction form
    69,580.41/96,025.72 = 39,365.72/x
  3. Step 3: Cross multiply
    69,580.41x = 96,025.72 × 39,365.72
  4. Step 4: Simplify right side
    69,580.41x = 3,780,121,409.49
  5. Step 5: Solve for x
    x = 3,780,121,409.49/69,580.41
  6. Step 6: Final answer
    x = 54,327.38

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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.