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Finding the Fourth Proportional to 17,503.68, 26,247.80 and 5,020.88

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Solution

The fourth proportional to 17,503.68, 26,247.80 and 5,020.88 is: 7,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,503.68 : 26,247.80 = 5,020.88 : x
  2. Step 2: Convert to fraction form
    17,503.68/26,247.80 = 5,020.88/x
  3. Step 3: Cross multiply
    17,503.68x = 26,247.80 × 5,020.88
  4. Step 4: Simplify right side
    17,503.68x = 131,787,054.06
  5. Step 5: Solve for x
    x = 131,787,054.06/17,503.68
  6. Step 6: Final answer
    x = 7,529.11

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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.