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Finding the Fourth Proportional to 69,568.04, 96,003.91 and 39,352.72

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Solution

The fourth proportional to 69,568.04, 96,003.91 and 39,352.72 is: 54,306.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,568.04 : 96,003.91 = 39,352.72 : x
  2. Step 2: Convert to fraction form
    69,568.04/96,003.91 = 39,352.72/x
  3. Step 3: Cross multiply
    69,568.04x = 96,003.91 × 39,352.72
  4. Step 4: Simplify right side
    69,568.04x = 3,778,014,989.14
  5. Step 5: Solve for x
    x = 3,778,014,989.14/69,568.04
  6. Step 6: Final answer
    x = 54,306.76

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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.