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Finding the Fourth Proportional to 11,409.01, 17,074.58 and 9,562.21

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Solution

The fourth proportional to 11,409.01, 17,074.58 and 9,562.21 is: 14,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,409.01 : 17,074.58 = 9,562.21 : x
  2. Step 2: Convert to fraction form
    11,409.01/17,074.58 = 9,562.21/x
  3. Step 3: Cross multiply
    11,409.01x = 17,074.58 × 9,562.21
  4. Step 4: Simplify right side
    11,409.01x = 163,270,671.81
  5. Step 5: Solve for x
    x = 163,270,671.81/11,409.01
  6. Step 6: Final answer
    x = 14,310.68

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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.