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Finding the Fourth Proportional to 9,719.24, 14,503.04 and 8,672.04

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Solution

The fourth proportional to 9,719.24, 14,503.04 and 8,672.04 is: 12,940.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.24 : 14,503.04 = 8,672.04 : x
  2. Step 2: Convert to fraction form
    9,719.24/14,503.04 = 8,672.04/x
  3. Step 3: Cross multiply
    9,719.24x = 14,503.04 × 8,672.04
  4. Step 4: Simplify right side
    9,719.24x = 125,770,899.64
  5. Step 5: Solve for x
    x = 125,770,899.64/9,719.24
  6. Step 6: Final answer
    x = 12,940.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.