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Finding the Fourth Proportional to 17,772.34, 26,653.62 and 6,678.16

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Solution

The fourth proportional to 17,772.34, 26,653.62 and 6,678.16 is: 10,015.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.34 : 26,653.62 = 6,678.16 : x
  2. Step 2: Convert to fraction form
    17,772.34/26,653.62 = 6,678.16/x
  3. Step 3: Cross multiply
    17,772.34x = 26,653.62 × 6,678.16
  4. Step 4: Simplify right side
    17,772.34x = 177,997,138.94
  5. Step 5: Solve for x
    x = 177,997,138.94/17,772.34
  6. Step 6: Final answer
    x = 10,015.40

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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.