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Finding the Fourth Proportional to 17,369.13, 23,970.39 and 9,815.25

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Solution

The fourth proportional to 17,369.13, 23,970.39 and 9,815.25 is: 13,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,369.13 : 23,970.39 = 9,815.25 : x
  2. Step 2: Convert to fraction form
    17,369.13/23,970.39 = 9,815.25/x
  3. Step 3: Cross multiply
    17,369.13x = 23,970.39 × 9,815.25
  4. Step 4: Simplify right side
    17,369.13x = 235,275,370.45
  5. Step 5: Solve for x
    x = 235,275,370.45/17,369.13
  6. Step 6: Final answer
    x = 13,545.60

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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.