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Finding the Fourth Proportional to 39,506.37, 54,518.84 and 22,509.87

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Solution

The fourth proportional to 39,506.37, 54,518.84 and 22,509.87 is: 31,063.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,506.37 : 54,518.84 = 22,509.87 : x
  2. Step 2: Convert to fraction form
    39,506.37/54,518.84 = 22,509.87/x
  3. Step 3: Cross multiply
    39,506.37x = 54,518.84 × 22,509.87
  4. Step 4: Simplify right side
    39,506.37x = 1,227,211,615.81
  5. Step 5: Solve for x
    x = 1,227,211,615.81/39,506.37
  6. Step 6: Final answer
    x = 31,063.64

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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.