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Finding the Fourth Proportional to 69,867, 96,440.76 and 41,572.08

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Solution

The fourth proportional to 69,867, 96,440.76 and 41,572.08 is: 57,383.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,867 : 96,440.76 = 41,572.08 : x
  2. Step 2: Convert to fraction form
    69,867/96,440.76 = 41,572.08/x
  3. Step 3: Cross multiply
    69,867x = 96,440.76 × 41,572.08
  4. Step 4: Simplify right side
    69,867x = 4,009,242,989.98
  5. Step 5: Solve for x
    x = 4,009,242,989.98/69,867
  6. Step 6: Final answer
    x = 57,383.93

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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.