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Finding the Fourth Proportional to 13,168.32, 19,751.97 and 7,256.93

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Solution

The fourth proportional to 13,168.32, 19,751.97 and 7,256.93 is: 10,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,168.32 : 19,751.97 = 7,256.93 : x
  2. Step 2: Convert to fraction form
    13,168.32/19,751.97 = 7,256.93/x
  3. Step 3: Cross multiply
    13,168.32x = 19,751.97 × 7,256.93
  4. Step 4: Simplify right side
    13,168.32x = 143,338,662.39
  5. Step 5: Solve for x
    x = 143,338,662.39/13,168.32
  6. Step 6: Final answer
    x = 10,885.11

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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.