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Finding the Fourth Proportional to 9,919.23, 13,671.49 and 9,452.10

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Solution

The fourth proportional to 9,919.23, 13,671.49 and 9,452.10 is: 13,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,919.23 : 13,671.49 = 9,452.10 : x
  2. Step 2: Convert to fraction form
    9,919.23/13,671.49 = 9,452.10/x
  3. Step 3: Cross multiply
    9,919.23x = 13,671.49 × 9,452.10
  4. Step 4: Simplify right side
    9,919.23x = 129,224,290.63
  5. Step 5: Solve for x
    x = 129,224,290.63/9,919.23
  6. Step 6: Final answer
    x = 13,027.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.