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Finding the Fourth Proportional to 13,592.58, 20,384.01 and 7,357.20

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Solution

The fourth proportional to 13,592.58, 20,384.01 and 7,357.20 is: 11,033.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,592.58 : 20,384.01 = 7,357.20 : x
  2. Step 2: Convert to fraction form
    13,592.58/20,384.01 = 7,357.20/x
  3. Step 3: Cross multiply
    13,592.58x = 20,384.01 × 7,357.20
  4. Step 4: Simplify right side
    13,592.58x = 149,969,238.37
  5. Step 5: Solve for x
    x = 149,969,238.37/13,592.58
  6. Step 6: Final answer
    x = 11,033.17

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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.