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Finding the Fourth Proportional to 17,670.52, 26,439.54 and 10,653.40

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Solution

The fourth proportional to 17,670.52, 26,439.54 and 10,653.40 is: 15,940.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,670.52 : 26,439.54 = 10,653.40 : x
  2. Step 2: Convert to fraction form
    17,670.52/26,439.54 = 10,653.40/x
  3. Step 3: Cross multiply
    17,670.52x = 26,439.54 × 10,653.40
  4. Step 4: Simplify right side
    17,670.52x = 281,670,995.44
  5. Step 5: Solve for x
    x = 281,670,995.44/17,670.52
  6. Step 6: Final answer
    x = 15,940.16

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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.