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Finding the Fourth Proportional to 17,955.72, 26,933.72 and 6,713.60

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Solution

The fourth proportional to 17,955.72, 26,933.72 and 6,713.60 is: 10,070.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,955.72 : 26,933.72 = 6,713.60 : x
  2. Step 2: Convert to fraction form
    17,955.72/26,933.72 = 6,713.60/x
  3. Step 3: Cross multiply
    17,955.72x = 26,933.72 × 6,713.60
  4. Step 4: Simplify right side
    17,955.72x = 180,822,054.36
  5. Step 5: Solve for x
    x = 180,822,054.36/17,955.72
  6. Step 6: Final answer
    x = 10,070.44

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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.