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Finding the Fourth Proportional to 17,729.40, 26,594.10 and 7,199.40

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Solution

The fourth proportional to 17,729.40, 26,594.10 and 7,199.40 is: 10,799.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,729.40 : 26,594.10 = 7,199.40 : x
  2. Step 2: Convert to fraction form
    17,729.40/26,594.10 = 7,199.40/x
  3. Step 3: Cross multiply
    17,729.40x = 26,594.10 × 7,199.40
  4. Step 4: Simplify right side
    17,729.40x = 191,461,563.54
  5. Step 5: Solve for x
    x = 191,461,563.54/17,729.40
  6. Step 6: Final answer
    x = 10,799.10

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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.