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Finding the Fourth Proportional to 17,604.40, 24,294 and 9,647.12

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Solution

The fourth proportional to 17,604.40, 24,294 and 9,647.12 is: 13,312.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,604.40 : 24,294 = 9,647.12 : x
  2. Step 2: Convert to fraction form
    17,604.40/24,294 = 9,647.12/x
  3. Step 3: Cross multiply
    17,604.40x = 24,294 × 9,647.12
  4. Step 4: Simplify right side
    17,604.40x = 234,367,133.28
  5. Step 5: Solve for x
    x = 234,367,133.28/17,604.40
  6. Step 6: Final answer
    x = 13,312.99

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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.