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Finding the Fourth Proportional to 17,292.81, 23,864.18 and 9,840.81

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Solution

The fourth proportional to 17,292.81, 23,864.18 and 9,840.81 is: 13,580.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,292.81 : 23,864.18 = 9,840.81 : x
  2. Step 2: Convert to fraction form
    17,292.81/23,864.18 = 9,840.81/x
  3. Step 3: Cross multiply
    17,292.81x = 23,864.18 × 9,840.81
  4. Step 4: Simplify right side
    17,292.81x = 234,842,811.98
  5. Step 5: Solve for x
    x = 234,842,811.98/17,292.81
  6. Step 6: Final answer
    x = 13,580.37

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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.