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Finding the Fourth Proportional to 9,671.53, 13,259.79 and 9,496.57

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Solution

The fourth proportional to 9,671.53, 13,259.79 and 9,496.57 is: 13,019.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,671.53 : 13,259.79 = 9,496.57 : x
  2. Step 2: Convert to fraction form
    9,671.53/13,259.79 = 9,496.57/x
  3. Step 3: Cross multiply
    9,671.53x = 13,259.79 × 9,496.57
  4. Step 4: Simplify right side
    9,671.53x = 125,922,467.03
  5. Step 5: Solve for x
    x = 125,922,467.03/9,671.53
  6. Step 6: Final answer
    x = 13,019.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.