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Finding the Fourth Proportional to 13,072.64, 19,597.93 and 5,671.53

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Solution

The fourth proportional to 13,072.64, 19,597.93 and 5,671.53 is: 8,502.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,072.64 : 19,597.93 = 5,671.53 : x
  2. Step 2: Convert to fraction form
    13,072.64/19,597.93 = 5,671.53/x
  3. Step 3: Cross multiply
    13,072.64x = 19,597.93 × 5,671.53
  4. Step 4: Simplify right side
    13,072.64x = 111,150,247.93
  5. Step 5: Solve for x
    x = 111,150,247.93/13,072.64
  6. Step 6: Final answer
    x = 8,502.51

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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.