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Finding the Fourth Proportional to 17,235.69, 25,831.66 and 8,914.15

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Solution

The fourth proportional to 17,235.69, 25,831.66 and 8,914.15 is: 13,359.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,235.69 : 25,831.66 = 8,914.15 : x
  2. Step 2: Convert to fraction form
    17,235.69/25,831.66 = 8,914.15/x
  3. Step 3: Cross multiply
    17,235.69x = 25,831.66 × 8,914.15
  4. Step 4: Simplify right side
    17,235.69x = 230,267,318.71
  5. Step 5: Solve for x
    x = 230,267,318.71/17,235.69
  6. Step 6: Final answer
    x = 13,359.92

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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.