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Finding the Fourth Proportional to 39,205.80, 58,808.22 and 9,623.76

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Solution

The fourth proportional to 39,205.80, 58,808.22 and 9,623.76 is: 14,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,205.80 : 58,808.22 = 9,623.76 : x
  2. Step 2: Convert to fraction form
    39,205.80/58,808.22 = 9,623.76/x
  3. Step 3: Cross multiply
    39,205.80x = 58,808.22 × 9,623.76
  4. Step 4: Simplify right side
    39,205.80x = 565,956,195.31
  5. Step 5: Solve for x
    x = 565,956,195.31/39,205.80
  6. Step 6: Final answer
    x = 14,435.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.