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Finding the Fourth Proportional to 69,014.71, 95,243.69 and 38,809.54

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Solution

The fourth proportional to 69,014.71, 95,243.69 and 38,809.54 is: 53,559.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,014.71 : 95,243.69 = 38,809.54 : x
  2. Step 2: Convert to fraction form
    69,014.71/95,243.69 = 38,809.54/x
  3. Step 3: Cross multiply
    69,014.71x = 95,243.69 × 38,809.54
  4. Step 4: Simplify right side
    69,014.71x = 3,696,363,796.80
  5. Step 5: Solve for x
    x = 3,696,363,796.80/69,014.71
  6. Step 6: Final answer
    x = 53,559.07

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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.