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Finding the Fourth Proportional to 17,918.18, 24,727.93 and 9,960.54

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Solution

The fourth proportional to 17,918.18, 24,727.93 and 9,960.54 is: 13,746.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,918.18 : 24,727.93 = 9,960.54 : x
  2. Step 2: Convert to fraction form
    17,918.18/24,727.93 = 9,960.54/x
  3. Step 3: Cross multiply
    17,918.18x = 24,727.93 × 9,960.54
  4. Step 4: Simplify right side
    17,918.18x = 246,303,535.88
  5. Step 5: Solve for x
    x = 246,303,535.88/17,918.18
  6. Step 6: Final answer
    x = 13,746.01

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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.