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Finding the Fourth Proportional to 39,591.54, 59,392.80 and 13,303.80

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Solution

The fourth proportional to 39,591.54, 59,392.80 and 13,303.80 is: 19,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,591.54 : 59,392.80 = 13,303.80 : x
  2. Step 2: Convert to fraction form
    39,591.54/59,392.80 = 13,303.80/x
  3. Step 3: Cross multiply
    39,591.54x = 59,392.80 × 13,303.80
  4. Step 4: Simplify right side
    39,591.54x = 790,149,932.64
  5. Step 5: Solve for x
    x = 790,149,932.64/39,591.54
  6. Step 6: Final answer
    x = 19,957.54

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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.