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Finding the Fourth Proportional to 13,510.58, 20,267.01 and 10,352.61

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Solution

The fourth proportional to 13,510.58, 20,267.01 and 10,352.61 is: 15,529.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,510.58 : 20,267.01 = 10,352.61 : x
  2. Step 2: Convert to fraction form
    13,510.58/20,267.01 = 10,352.61/x
  3. Step 3: Cross multiply
    13,510.58x = 20,267.01 × 10,352.61
  4. Step 4: Simplify right side
    13,510.58x = 209,816,450.40
  5. Step 5: Solve for x
    x = 209,816,450.40/13,510.58
  6. Step 6: Final answer
    x = 15,529.79

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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.