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Finding the Fourth Proportional to 13,504.76, 20,252.01 and 6,482.79

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Solution

The fourth proportional to 13,504.76, 20,252.01 and 6,482.79 is: 9,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.76 : 20,252.01 = 6,482.79 : x
  2. Step 2: Convert to fraction form
    13,504.76/20,252.01 = 6,482.79/x
  3. Step 3: Cross multiply
    13,504.76x = 20,252.01 × 6,482.79
  4. Step 4: Simplify right side
    13,504.76x = 131,289,552.22
  5. Step 5: Solve for x
    x = 131,289,552.22/13,504.76
  6. Step 6: Final answer
    x = 9,721.72

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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.